Bug 2271690 (CVE-2023-52621) - CVE-2023-52621 kernel: bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers
Summary: CVE-2023-52621 kernel: bpf: Check rcu_read_lock_trace_held() before calling b...
Keywords:
Status: NEW
Alias: CVE-2023-52621
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: 2271691
Blocks: 2271782
TreeView+ depends on / blocked
 
Reported: 2024-03-26 21:41 UTC by Marco Benatto
Modified: 2024-04-16 14:40 UTC (History)
50 users (show)

Fixed In Version: kernel 6.1.77, kernel 6.6.16, kernel 6.7.4, kernel 6.8
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Description Marco Benatto 2024-03-26 21:41:52 UTC 
In the Linux kernel, the following vulnerability has been resolved:

bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers

The Linux kernel CVE team has assigned CVE-2023-52621 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-4-lee@kernel.org/T
Comment 1 Marco Benatto 2024-03-26 21:42:26 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2271691]
Comment 5 Justin M. Forbes 2024-03-27 20:36:00 UTC 
This was fixed for Fedora with the 6.7.4 stable kernel updates.
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