CVE-2022-2905 describes an out-of-bounds memory read vulnerability within the Linux kernel's BPF subsystem, specifically affecting how the bpf_tail_call function handles keys exceeding map boundaries. This flaw impacts various Debian and Red Hat Linux kernel versions, allowing a local user to gain unauthorized data access. With a CVSS score of 5.5 (MEDIUM), this vulnerability has a low attack complexity and requires local access, but can lead to high confidentiality impact. Currently, there is no known active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Sep 13, 2022kernel: slab-out-of-bound read in bpf
Aug 26, 2022