- Vulnerability/
- CVE-2023-52621
26/3/2024
26/3/2024
29/5/2024
CVE-2023-52621: bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers
First published: Tue Mar 26 2024(Updated: )
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 <a href="https://access.redhat.com/security/cve/CVE-2023-52621">CVE-2023-52621</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-4-lee@kernel.org/T">https://lore.kernel.org/linux-cve-announce/20240326171931.1354035-4-lee@kernel.org/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
| redhat/kernel | <6.1.77 | 6.1.77 |
| redhat/kernel | <6.6.16 | 6.6.16 |
| redhat/kernel | <6.7.4 | 6.7.4 |
| redhat/kernel | <6.8 | 6.8 |
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Reference Links
- https://git.kernel.org/stable/c/169410eba271afc9f0fb476d996795aa26770c6d
- https://git.kernel.org/stable/c/483cb92334cd7f1d5387dccc0ab5d595d27a669d
- https://git.kernel.org/stable/c/c7f1b6146f4a46d727c0d046284c28b6882c6304
- https://git.kernel.org/stable/c/d6d6fe4bb105595118f12abeed4a7bdd450853f3
- https://launchpad.net/bugs/cve/CVE-2023-52621
- https://git.kernel.org/linus/169410eba271afc9f0fb476d996795aa26770c6d
- https://security-tracker.debian.org/tracker/CVE-2023-52621
- https://git.kernel.org/linus/169410eba271afc9f0fb476d996795aa26770c6d (6.8-rc1)
- https://www.cve.org/CVERecord?id=CVE-2023-52621
- https://ubuntu.com/security/notices/USN-6818-1
- https://ubuntu.com/security/notices/USN-6819-1
- https://ubuntu.com/security/notices/USN-6818-2
- https://ubuntu.com/security/notices/USN-6819-2
- https://ubuntu.com/security/notices/USN-6819-3
- https://ubuntu.com/security/notices/USN-6818-3
- https://ubuntu.com/security/notices/USN-6818-4
- https://ubuntu.com/security/notices/USN-6819-4
- https://nvd.nist.gov/vuln/detail/CVE-2023-52621
- https://git.kernel.org/linus/1e6c62a8821557720a9b2ea9617359b264f2f67c
- https://ubuntu.com/security/CVE-2023-52621
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