Bug 2281270 (CVE-2024-35846) - CVE-2024-35846 kernel: mm: zswap: fix shrinker NULL crash with cgroup_disable=memory
Summary: CVE-2024-35846 kernel: mm: zswap: fix shrinker NULL crash with cgroup_disable...
Keywords:
Status: NEW
Alias: CVE-2024-35846
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2281271
Blocks: 2281767
TreeView+ depends on / blocked
 
Reported: 2024-05-18 00:36 UTC by Zack Miele
Modified: 2024-09-19 18:00 UTC (History)
49 users (show)

Fixed In Version: kernel 6.8.9, kernel 6.9
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in the Linux kernel's zswap subsystem, affecting systems with cgroup_disable=memory set. This issue involves a NULL pointer dereference in the zswap shrinker, which could lead to a system crash (panic) or undefined behavior. This problem arises from improper handling of memory management related to control groups when the memory cgroup feature is disabled.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Zack Miele 2024-05-18 00:36:40 UTC 
In the Linux kernel, the following vulnerability has been resolved:

mm: zswap: fix shrinker NULL crash with cgroup_disable=memory

The Linux kernel CVE team has assigned CVE-2024-35846 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024051738-CVE-2024-35846-d8bf@gregkh/T
Comment 1 Zack Miele 2024-05-18 00:37:17 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2281271]
Comment 2 Alex 2024-06-09 14:22:13 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-35846 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: b5ba474f3f518701249598b35c581b92a3c95b48	YES			NO	NO	unknown	 (where first YES/NO value means if related sources built).
Note You need to log in before you can comment on or make changes to this bug.