Bug 2267721 (CVE-2024-26622) - CVE-2024-26622 kernel: tomoyo: fix UAF write bug in tomoyo_write_control()
Summary: CVE-2024-26622 kernel: tomoyo: fix UAF write bug in tomoyo_write_control()
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2024-26622
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: 2267722
Blocks: 2268973
TreeView+ depends on / blocked
 
Reported: 2024-03-04 16:29 UTC by ybuenos
Modified: 2024-06-20 12:42 UTC (History)
51 users (show)

Fixed In Version: kernel 6.8-rc7
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Tomoyo module in the Linux kernel. The tomoyo_write_control function in the security/tomoyo/common.c file does not protect a buffer from multiple concurrent write requests. This issue potentially leads to a use-after-free or double-free, resulting in a denial of service.
Clone Of:
Environment:
Last Closed: 2024-06-20 12:42:41 UTC
Embargoed:

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Description ybuenos 2024-03-04 16:29:46 UTC 
In the Linux kernel, the following vulnerability has been resolved:

tomoyo: fix UAF write bug in tomoyo_write_control()

The Linux kernel CVE team has assigned CVE-2024-26622 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024030409-CVE-2024-26622-9e01@gregkh/
Comment 1 ybuenos 2024-03-04 16:30:24 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2267722]
Comment 2 Alex 2024-06-09 13:40:51 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-26622 is: 	SKIP	No affected files built, so skip this CVE	NO			-	-	unknown (where first YES/NO value means if related sources built).
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