Out-of-bounds Read in Linux Kernel
CVE-2022-2905
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.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). 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 — versions 6.0
- Debian Debian_linux — versions 10.0
- Redhat Enterprise_linux — versions 8.0
- N/a Kernel — versions Linux kernel 6.0-rc4
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2905?
- CVE-2022-2905 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-09-09.
- How severe is CVE-2022-2905?
- Medium severity. CVSS v3 base score is 5.5 out of 10.