Bug 2273274 (CVE-2024-26737) - CVE-2024-26737 kernel: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
Summary: CVE-2024-26737 kernel: bpf: Fix racing between bpf_timer_cancel_and_free and ...
Keywords:
Status: NEW
Alias: CVE-2024-26737
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: 2273275
Blocks: 2273246
TreeView+ depends on / blocked
 
Reported: 2024-04-04 01:35 UTC by Robb Gatica
Modified: 2024-05-10 18:52 UTC (History)
49 users (show)

Fixed In Version: kernel 5.15.150, kernel 6.1.80, kernel 6.6.19, kernel 6.7.7, kernel 6.8
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the Linux kernel’s BPF functionality. This flaw allows a local user to crash the system.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Robb Gatica 2024-04-04 01:35:38 UTC 
In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel

The Linux kernel CVE team has assigned CVE-2024-26737 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024040359-CVE-2024-26737-a9c3@gregkh/T
Comment 1 Robb Gatica 2024-04-04 01:36:14 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2273275]
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