Upstream information
Description
In the Linux kernel, the following vulnerability has been resolved:dlm: fix plock invalid read
This patch fixes an invalid read showed by KASAN. A unlock will allocate a
"struct plock_op" and a followed send_op() will append it to a global
send_list data structure. In some cases a followed dev_read() moves it
to recv_list and dev_write() will cast it to "struct plock_xop" and access
fields which are only available in those structures. At this point an
invalid read happens by accessing those fields.
To fix this issue the "callback" field is moved to "struct plock_op" to
indicate that a cast to "plock_xop" is allowed and does the additional
"plock_xop" handling if set.
Example of the KASAN output which showed the invalid read:
[ 2064.296453] ==================================================================
[ 2064.304852] BUG: KASAN: slab-out-of-bounds in dev_write+0x52b/0x5a0 [dlm]
[ 2064.306491] Read of size 8 at addr ffff88800ef227d8 by task dlm_controld/7484
[ 2064.308168]
[ 2064.308575] CPU: 0 PID: 7484 Comm: dlm_controld Kdump: loaded Not tainted 5.14.0+ #9
[ 2064.310292] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 2064.311618] Call Trace:
[ 2064.312218] dump_stack_lvl+0x56/0x7b
[ 2064.313150] print_address_description.constprop.8+0x21/0x150
[ 2064.314578] ? dev_write+0x52b/0x5a0 [dlm]
[ 2064.315610] ? dev_write+0x52b/0x5a0 [dlm]
[ 2064.316595] kasan_report.cold.14+0x7f/0x11b
[ 2064.317674] ? dev_write+0x52b/0x5a0 [dlm]
[ 2064.318687] dev_write+0x52b/0x5a0 [dlm]
[ 2064.319629] ? dev_read+0x4a0/0x4a0 [dlm]
[ 2064.320713] ? bpf_lsm_kernfs_init_security+0x10/0x10
[ 2064.321926] vfs_write+0x17e/0x930
[ 2064.322769] ? __fget_light+0x1aa/0x220
[ 2064.323753] ksys_write+0xf1/0x1c0
[ 2064.324548] ? __ia32_sys_read+0xb0/0xb0
[ 2064.325464] do_syscall_64+0x3a/0x80
[ 2064.326387] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 2064.327606] RIP: 0033:0x7f807e4ba96f
[ 2064.328470] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 39 87 f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 7c 87 f8 ff 48
[ 2064.332902] RSP: 002b:00007ffd50cfe6e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 2064.334658] RAX: ffffffffffffffda RBX: 000055cc3886eb30 RCX: 00007f807e4ba96f
[ 2064.336275] RDX: 0000000000000040 RSI: 00007ffd50cfe7e0 RDI: 0000000000000010
[ 2064.337980] RBP: 00007ffd50cfe7e0 R08: 0000000000000000 R09: 0000000000000001
[ 2064.339560] R10: 000055cc3886eb30 R11: 0000000000000293 R12: 000055cc3886eb80
[ 2064.341237] R13: 000055cc3886eb00 R14: 000055cc3886f590 R15: 0000000000000001
[ 2064.342857]
[ 2064.343226] Allocated by task 12438:
[ 2064.344057] kasan_save_stack+0x1c/0x40
[ 2064.345079] __kasan_kmalloc+0x84/0xa0
[ 2064.345933] kmem_cache_alloc_trace+0x13b/0x220
[ 2064.346953] dlm_posix_unlock+0xec/0x720 [dlm]
[ 2064.348811] do_lock_file_wait.part.32+0xca/0x1d0
[ 2064.351070] fcntl_setlk+0x281/0xbc0
[ 2064.352879] do_fcntl+0x5e4/0xfe0
[ 2064.354657] __x64_sys_fcntl+0x11f/0x170
[ 2064.356550] do_syscall_64+0x3a/0x80
[ 2064.358259] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 2064.360745]
[ 2064.361511] Last potentially related work creation:
[ 2064.363957] kasan_save_stack+0x1c/0x40
[ 2064.365811] __kasan_record_aux_stack+0xaf/0xc0
[ 2064.368100] call_rcu+0x11b/0xf70
[ 2064.369785] dlm_process_incoming_buffer+0x47d/0xfd0 [dlm]
[ 2064.372404] receive_from_sock+0x290/0x770 [dlm]
[ 2064.374607] process_recv_sockets+0x32/0x40 [dlm]
[ 2064.377290] process_one_work+0x9a8/0x16e0
[ 2064.379357] worker_thread+0x87/0xbf0
[ 2064.381188] kthread+0x3ac/0x490
[ 2064.383460] ret_from_fork+0x22/0x30
[ 2064.385588]
[ 2064.386518] Second to last potentially related work creation:
[ 2064.389219] kasan_save_stack+0x1c/0x40
[ 2064.391043] __kasan_record_aux_stack+0xaf/0xc0
[ 2064.393303] call_rcu+0x11b/0xf70
[ 2064.394885] dlm_process_incoming_buffer+0x47d/0xfd0 [dlm]
[ 2064.397694] receive_from_sock+0x290/0x770
---truncated---
SUSE information
Overall state of this security issue: New
This issue is currently rated as having not set severity.
No SUSE Bugzilla entries cross referenced. No SUSE Security Announcements cross referenced.Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
Product(s) | Source package | State |
---|---|---|
Products under general support and receiving all security fixes. | ||
SUSE Linux Enterprise Desktop 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Desktop 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Live Patching 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.1 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.2 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.3 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-rt | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.4 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-default | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.5 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Public Cloud 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Real Time 15 SP6 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP6 | kernel-default | Analysis |
SUSE Linux Enterprise Workstation Extension 15 SP6 | kernel-source | Analysis |
SUSE Linux Micro 6.0 | kernel-default | Analysis |
SUSE Linux Micro 6.0 | kernel-source | Analysis |
SUSE Linux Micro 6.0 | kernel-source-rt | Analysis |
SUSE Linux Micro 6.1 | kernel-default | Analysis |
SUSE Linux Micro 6.1 | kernel-source | Analysis |
SUSE Linux Micro 6.1 | kernel-source-rt | Analysis |
SUSE Manager Proxy 4.3 | kernel-default | Analysis |
SUSE Manager Proxy 4.3 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.3 | kernel-default | Analysis |
SUSE Manager Retail Branch Server 4.3 | kernel-source | Analysis |
SUSE Manager Server 4.3 | kernel-default | Analysis |
SUSE Manager Server 4.3 | kernel-source | Analysis |
SUSE Real Time Module 15 SP6 | kernel-source-rt | Analysis |
openSUSE Leap 15.6 | kernel-default | Analysis |
openSUSE Leap 15.6 | kernel-source | Analysis |
openSUSE Leap 15.6 | kernel-source-azure | Analysis |
openSUSE Leap 15.6 | kernel-source-rt | Analysis |
Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
SUSE Linux Enterprise High Availability Extension 12 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise High Availability Extension 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-source-azure | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 12 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP3 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP4 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Live Patching 15 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Live Patching 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Public Cloud 15 SP5 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-default | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP5-LTSS | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP5 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server 15 SP5-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP5-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | kernel-source-azure | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-default | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-source-azure | Analysis |
Products past their end of life and not receiving proactive updates anymore. | ||
SUSE CaaS Platform 4.0 | kernel-source | Analysis |
SUSE Enterprise Storage 6 | kernel-source | Analysis |
SUSE Enterprise Storage 7 | kernel-source | Analysis |
SUSE Enterprise Storage 7.1 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 11 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Desktop 15 SP5 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise High Performance Computing 15-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Micro 5.0 | kernel-default | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Module for Development Tools 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Real Time 15 SP5 | kernel-source-rt | Analysis |
SUSE Linux Enterprise Server 11 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 11 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP2-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4-ESPOS | kernel-source | Analysis |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server 15 SP3-BCL | kernel-source | Analysis |
SUSE Linux Enterprise Server 15-LTSS | kernel-default | Analysis |
SUSE Linux Enterprise Server 15-LTSS | kernel-source | Analysis |
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP2 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kernel-source | Analysis |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-source | Analysis |
SUSE Manager Proxy 4.0 | kernel-source | Analysis |
SUSE Manager Proxy 4.1 | kernel-source | Analysis |
SUSE Manager Proxy 4.2 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.0 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.1 | kernel-source | Analysis |
SUSE Manager Retail Branch Server 4.2 | kernel-source | Analysis |
SUSE Manager Server 4.0 | kernel-source | Analysis |
SUSE Manager Server 4.1 | kernel-source | Analysis |
SUSE Manager Server 4.2 | kernel-source | Analysis |
SUSE OpenStack Cloud 7 | kernel-source | Analysis |
SUSE OpenStack Cloud 9 | kernel-source | Analysis |
SUSE OpenStack Cloud Crowbar 9 | kernel-source | Analysis |
SUSE Real Time Module 15 SP3 | kernel-source-rt | Analysis |
SUSE Real Time Module 15 SP4 | kernel-source-rt | Analysis |
SUSE Real Time Module 15 SP5 | kernel-source-rt | Analysis |
openSUSE Leap 15.3 | kernel-source | Analysis |
openSUSE Leap 15.3 | kernel-source-rt | Analysis |
openSUSE Leap 15.4 | kernel-source | Analysis |
openSUSE Leap 15.4 | kernel-source-azure | Analysis |
openSUSE Leap 15.4 | kernel-source-rt | Analysis |
openSUSE Leap 15.5 | kernel-source | Analysis |
openSUSE Leap 15.5 | kernel-source-azure | Analysis |
openSUSE Leap 15.5 | kernel-source-rt | Analysis |
SUSE Timeline for this CVE
CVE page created: Wed Feb 26 04:22:57 2025CVE page last modified: Wed Feb 26 11:59:28 2025