Bug 2257968 (CVE-2024-0443) - CVE-2024-0443 kernel: blkio memory leakage due to blkcg and some blkgs are not freed after they are made offline.
Summary: CVE-2024-0443 kernel: blkio memory leakage due to blkcg and some blkgs are no...
Keywords:
Status: NEW
Alias: CVE-2024-0443
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: 2208904 2208905 2220810 2220811 2238721 2257970
Blocks: 2257966
TreeView+ depends on / blocked
 
Reported: 2024-01-11 20:41 UTC by Rohit Keshri
Modified: 2024-02-28 06:19 UTC (History)
45 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Rohit Keshri 2024-01-11 20:41:57 UTC 
A cgroup blkio memory leakage problem was found in blkgs destruction path in block/blk-cgroup.c in the Linux kernel. In this flaw, an attacker with a local access may cause a system instability, such as out of memory.

Refer:
https://lore.kernel.org/linux-block/20221215033132.230023-3-longman@redhat.com/
Comment 1 Rohit Keshri 2024-01-11 20:45:04 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2257970]
Comment 15 Justin M. Forbes 2024-01-15 19:11:10 UTC 
This was fixed for Fedora with the 6.3.9 stable kernel updates.
Note You need to log in before you can comment on or make changes to this bug.