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.
CVE-2022-2905
CVSS base score
5.5 (v3.1)
Severity
MEDIUM
Attack vector
Local
Weakness
CWE-125
Last modified
November 2, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
linux linux kernel
redhat enterprise linux
debian debian linux
References
- bugzilla.redhat.com Exploit, Issue Tracking, Patch
- lists.debian.org Mailing List, Third Party Advisory
- lore.kernel.org
- bugzilla.redhat.com Exploit, Issue Tracking, Patch
- lists.debian.org Mailing List, Third Party Advisory
- lore.kernel.org
- cert-portal.siemens.com
- cert-portal.siemens.com