Upstream information
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find() Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mb_cache_destroy+0x224/0x290 Modules linked in: CPU: 0 PID: 5075 Comm: syz-executor199 Not tainted 6.9.0-rc6-gb947cc5bf6d7 RIP: 0010:mb_cache_destroy+0x224/0x290 fs/mbcache.c:419 Call Trace: <TASK> ext4_put_super+0x6d4/0xcd0 fs/ext4/super.c:1375 generic_shutdown_super+0x136/0x2d0 fs/super.c:641 kill_block_super+0x44/0x90 fs/super.c:1675 ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7327 [...] ============================================ This is because when finding an entry in ext4_xattr_block_cache_find(), if ext4_sb_bread() returns -ENOMEM, the ce's e_refcnt, which has already grown in the __entry_find(), won't be put away, and eventually trigger the above issue in mb_cache_destroy() due to reference count leakage. So call mb_cache_entry_put() on the -ENOMEM error branch as a quick fix.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
SUSE | |
---|---|
Base Score | 4.7 |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Attack Vector | Local |
Attack Complexity | High |
Privileges Required | Low |
User Interaction | None |
Scope | Unchanged |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | High |
CVSSv3 Version | 3.1 |
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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Enterprise Storage 7.1 | kernel-default | Affected |
SUSE Enterprise Storage 7.1 | kernel-source | Affected |
SUSE Linux Enterprise Desktop 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise Desktop 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise Desktop 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise Desktop 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-default | Not affected |
SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 12 SP5 | kernel-source-azure | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP5 | kernel-source-azure | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP6 | kernel-source-azure | Affected |
SUSE Linux Enterprise Micro 5.1 | kernel-default | Affected |
SUSE Linux Enterprise Micro 5.1 | kernel-rt | Affected |
SUSE Linux Enterprise Micro 5.1 | kernel-source-rt | Affected |
SUSE Linux Enterprise Micro 5.2 | kernel-default | Affected |
SUSE Linux Enterprise Micro 5.2 | kernel-rt | Affected |
SUSE Linux Enterprise Micro 5.2 | kernel-source-rt | Affected |
SUSE Linux Enterprise Micro 5.3 | kernel-default | Affected |
SUSE Linux Enterprise Micro 5.3 | kernel-rt | Affected |
SUSE Linux Enterprise Micro 5.3 | kernel-source-rt | Affected |
SUSE Linux Enterprise Micro 5.4 | kernel-default | Affected |
SUSE Linux Enterprise Micro 5.4 | kernel-rt | Affected |
SUSE Linux Enterprise Micro 5.4 | kernel-source-rt | Affected |
SUSE Linux Enterprise Micro 5.5 | kernel-source-rt | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise Module for Public Cloud 15 SP5 | kernel-source-azure | Affected |
SUSE Linux Enterprise Module for Public Cloud 15 SP6 | kernel-source-azure | Affected |
SUSE Linux Enterprise Real Time 12 SP5 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Real Time 15 SP5 | kernel-source-rt | Affected |
SUSE Linux Enterprise Real Time 15 SP6 | kernel-source-rt | Affected |
SUSE Linux Enterprise Server 12 SP5 | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP5 | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP5 | kernel-source-azure | Not affected |
SUSE Linux Enterprise Server 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise Server 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP5 | kernel-source-azure | Affected |
SUSE Linux Enterprise Server 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise Server 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP6 | kernel-source-azure | Affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-default | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | kernel-source-azure | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-default | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-source | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP5 | kernel-source-azure | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-default | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP6 | kernel-source-azure | Affected |
SUSE Manager Proxy 4.3 | kernel-default | Affected |
SUSE Manager Proxy 4.3 | kernel-source | Affected |
SUSE Manager Retail Branch Server 4.3 | kernel-default | Affected |
SUSE Manager Retail Branch Server 4.3 | kernel-source | Affected |
SUSE Manager Server 4.3 | kernel-default | Affected |
SUSE Manager Server 4.3 | kernel-source | Affected |
SUSE Real Time Module 15 SP5 | kernel-source-rt | Affected |
SUSE Real Time Module 15 SP6 | kernel-source-rt | Affected |
openSUSE Leap 15.5 | kernel-default | Affected |
openSUSE Leap 15.5 | kernel-source | Affected |
openSUSE Leap 15.5 | kernel-source-azure | Affected |
openSUSE Leap 15.5 | kernel-source-rt | Affected |
openSUSE Leap 15.6 | kernel-default | Affected |
openSUSE Leap 15.6 | kernel-source | Affected |
openSUSE Leap 15.6 | kernel-source-azure | Affected |
openSUSE Leap 15.6 | kernel-source-rt | Affected |
Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
SUSE Linux Enterprise Desktop 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-source | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise Module for Development Tools 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-default | Not affected |
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-default | Affected |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-default | Affected |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default | Affected |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-source | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | Affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-source | Affected |
Products past their end of life and not receiving proactive updates anymore. | ||
HPE Helion OpenStack 8 | kernel-source | Not affected |
SUSE CaaS Platform 4.0 | kernel-source | Not affected |
SUSE Enterprise Storage 6 | kernel-source | Not affected |
SUSE Enterprise Storage 7 | kernel-source | Affected |
SUSE Linux Enterprise Desktop 12 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 12 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 15 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 15 SP1 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Desktop 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise High Performance Computing 15 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP1 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Micro 5.0 | kernel-default | Not affected |
SUSE Linux Enterprise Module for Basesystem 15 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Basesystem 15 SP1 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Development Tools 15 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Development Tools 15 SP1 | kernel-source | Not affected |
SUSE Linux Enterprise Real Time 15 SP2 | kernel-source | Affected |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source | Affected |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source-rt | Affected |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source | Affected |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source-rt | Affected |
SUSE Linux Enterprise Server 11 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 11 SP4 LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 11 SP4-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP3-BCL | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP3-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP3-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP4-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP4-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP1 | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP1-BCL | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15 SP1-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP2-BCL | kernel-source | Affected |
SUSE Linux Enterprise Server 15 SP3-BCL | kernel-source | Affected |
SUSE Linux Enterprise Server 15-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-default | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP1 | kernel-source | Not affected |
SUSE Manager Proxy 4.0 | kernel-source | Not affected |
SUSE Manager Proxy 4.1 | kernel-source | Affected |
SUSE Manager Proxy 4.2 | kernel-source | Affected |
SUSE Manager Retail Branch Server 4.0 | kernel-source | Not affected |
SUSE Manager Retail Branch Server 4.1 | kernel-source | Affected |
SUSE Manager Retail Branch Server 4.2 | kernel-source | Affected |
SUSE Manager Server 4.0 | kernel-source | Not affected |
SUSE Manager Server 4.1 | kernel-source | Affected |
SUSE Manager Server 4.2 | kernel-source | Affected |
SUSE OpenStack Cloud 8 | kernel-source | Not affected |
SUSE OpenStack Cloud 9 | kernel-source | Not affected |
SUSE OpenStack Cloud Crowbar 8 | kernel-source | Not affected |
SUSE OpenStack Cloud Crowbar 9 | kernel-source | Not affected |
SUSE Real Time Module 15 SP3 | kernel-source-rt | Affected |
SUSE Real Time Module 15 SP4 | kernel-source-rt | Affected |
SUSE Timeline for this CVE
CVE page created: Tue Jun 25 18:00:05 2024CVE page last modified: Fri Jun 28 16:45:33 2024