CVE-2022-49873 is a medium-severity vulnerability in the Linux kernel's eBPF verifier, specifically affecting the handling of register types during memory release. It could allow an unprivileged local user to obtain a kernel pointer by storing a register that was incorrectly marked as SCALAR_VALUE instead of being properly invalidated. The CVSS score is 5.5 (MEDIUM), indicating a local attack vector with low complexity and a high impact on availability, though confidentiality and integrity are not directly affected. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.20, < 5.10.155CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.79CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.0.9CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.1CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* | ||
6.1CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.