Upstream information
Description
In the Linux kernel, the following vulnerability has been resolved:fscache: delete fscache_cookie_lru_timer when fscache exits to avoid UAF
The fscache_cookie_lru_timer is initialized when the fscache module
is inserted, but is not deleted when the fscache module is removed.
If timer_reduce() is called before removing the fscache module,
the fscache_cookie_lru_timer will be added to the timer list of
the current cpu. Afterwards, a use-after-free will be triggered
in the softIRQ after removing the fscache module, as follows:
==================================================================
BUG: unable to handle page fault for address: fffffbfff803c9e9
PF: supervisor read access in kernel mode
PF: error_code(0x0000) - not-present page
PGD 21ffea067 P4D 21ffea067 PUD 21ffe6067 PMD 110a7c067 PTE 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W 6.11.0-rc3 #855
Tainted: [W]=WARN
RIP: 0010:__run_timer_base.part.0+0x254/0x8a0
Call Trace:
<IRQ>
tmigr_handle_remote_up+0x627/0x810
__walk_groups.isra.0+0x47/0x140
tmigr_handle_remote+0x1fa/0x2f0
handle_softirqs+0x180/0x590
irq_exit_rcu+0x84/0xb0
sysvec_apic_timer_interrupt+0x6e/0x90
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:default_idle+0xf/0x20
default_idle_call+0x38/0x60
do_idle+0x2b5/0x300
cpu_startup_entry+0x54/0x60
start_secondary+0x20d/0x280
common_startup_64+0x13e/0x148
</TASK>
Modules linked in: [last unloaded: netfs]
==================================================================
Therefore delete fscache_cookie_lru_timer when removing the fscahe module.
SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having moderate severity.
National Vulnerability Database | SUSE | |
---|---|---|
Base Score | 7.8 | 6.3 |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H |
Attack Vector | Local | Local |
Attack Complexity | Low | High |
Privileges Required | Low | Low |
User Interaction | None | None |
Scope | Unchanged | Unchanged |
Confidentiality Impact | High | High |
Integrity Impact | High | None |
Availability Impact | High | High |
CVSSv3 Version | 3.1 | 3.1 |
SUSE | |
---|---|
Base Score | 5.8 |
Vector | CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N |
Attack Vector | Local |
Attack Complexity | Low |
Attack Requirements | Present |
Privileges Required | Low |
User Interaction | None |
Vulnerable System Confidentiality Impact | High |
Vulnerable System Integrity Impact | None |
Vulnerable System Availability Impact | High |
Subsequent System Confidentiality Impact | None |
Subsequent System Integrity Impact | None |
Subsequent System Availability Impact | None |
CVSSv4 Version | 4.0 |
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 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 | Not affected |
SUSE Linux Enterprise Micro 5.1 | kernel-rt | Not affected |
SUSE Linux Enterprise Micro 5.1 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Micro 5.2 | kernel-default | Not affected |
SUSE Linux Enterprise Micro 5.2 | kernel-rt | Not affected |
SUSE Linux Enterprise Micro 5.2 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Micro 5.3 | kernel-default | Not affected |
SUSE Linux Enterprise Micro 5.3 | kernel-rt | Not affected |
SUSE Linux Enterprise Micro 5.3 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Micro 5.4 | kernel-default | Not affected |
SUSE Linux Enterprise Micro 5.4 | kernel-rt | Not affected |
SUSE Linux Enterprise Micro 5.4 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Micro 5.5 | kernel-source-rt | Affected |
SUSE Linux Enterprise Micro 6.0 | kernel-default | Affected |
SUSE Linux Enterprise Micro 6.0 | kernel-source | Affected |
SUSE Linux Enterprise Micro 6.0 | 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 | Not affected |
SUSE Manager Proxy 4.3 | kernel-source | Not affected |
SUSE Manager Retail Branch Server 4.3 | kernel-default | Not affected |
SUSE Manager Retail Branch Server 4.3 | kernel-source | Not affected |
SUSE Manager Server 4.3 | kernel-default | Not affected |
SUSE Manager Server 4.3 | kernel-source | Not 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 | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-default | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Module for Basesystem 15 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Basesystem 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Basesystem 15 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Development Tools 15 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Development Tools 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Module for Development Tools 15 SP4 | kernel-source | Not 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 | Not affected |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15 SP2-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15 SP3-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 15 SP4-LTSS | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-default | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-default | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-default | Not affected |
SUSE Linux Enterprise Server for SAP Applications 15 SP4 | kernel-source | Not 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 CaaS Platform Toolchain 3 | kernel-source | Not affected |
SUSE Enterprise Storage 6 | kernel-source | Not affected |
SUSE Enterprise Storage 7 | kernel-source | Not affected |
SUSE Enterprise Storage 7.1 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 11 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Desktop 12 SP2 | kernel-source | Not 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 | Not affected |
SUSE Linux Enterprise Desktop 15 SP3 | kernel-source | Not 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 Point of Sale 12 SP2-CLIENT | kernel-source | Not affected |
SUSE Linux Enterprise Real Time 15 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source | Not affected |
SUSE Linux Enterprise Real Time 15 SP3 | kernel-source-rt | Not affected |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source | Not affected |
SUSE Linux Enterprise Real Time 15 SP4 | kernel-source-rt | Not 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 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP2-BCL | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP2-ESPOS | kernel-source | Not affected |
SUSE Linux Enterprise Server 12 SP2-LTSS | kernel-default | Not affected |
SUSE Linux Enterprise Server 12 SP2-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 | Not affected |
SUSE Linux Enterprise Server 15 SP3-BCL | kernel-source | Not 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 Raspberry Pi 12 SP2 | kernel-source | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP2 | 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-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 | Not affected |
SUSE Manager Proxy 4.2 | kernel-source | Not affected |
SUSE Manager Retail Branch Server 4.0 | kernel-source | Not affected |
SUSE Manager Retail Branch Server 4.1 | kernel-source | Not affected |
SUSE Manager Retail Branch Server 4.2 | kernel-source | Not affected |
SUSE Manager Server 4.0 | kernel-source | Not affected |
SUSE Manager Server 4.1 | kernel-source | Not affected |
SUSE Manager Server 4.2 | kernel-source | Not affected |
SUSE OpenStack Cloud 7 | kernel-source | Not 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 | Not affected |
SUSE Real Time Module 15 SP4 | kernel-source-rt | Not affected |
openSUSE Leap 15.3 | kernel-source | Not affected |
openSUSE Leap 15.3 | kernel-source-rt | Not affected |
openSUSE Leap 15.4 | kernel-source | Not affected |
openSUSE Leap 15.4 | kernel-source-azure | Unsupported |
openSUSE Leap 15.4 | kernel-source-rt | Not affected |
SUSE Timeline for this CVE
CVE page created: Wed Sep 18 12:00:54 2024CVE page last modified: Thu Sep 26 21:52:07 2024