CVEvulnerability
CVE-2022-2905
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-09-09
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-125
Description
An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
Affected configurations
• linux linux kernel (< 6.0)
• linux linux kernel 6.0
• redhat enterprise linux 8.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2121800 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://lore.kernel.org/bpf/984b37f9fdf7ac36831d2137415a4a915744c1b6.1661462653.git.daniel%40iogearbox.net/ lore.kernel.org
- https://bugzilla.redhat.com/show_bug.cgi?id=2121800 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html Mailing List, Third Party Advisory
- https://lore.kernel.org/bpf/984b37f9fdf7ac36831d2137415a4a915744c1b6.1661462653.git.daniel%40iogearbox.net/ lore.kernel.org
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html cert-portal.siemens.com