CVE-2022-49989 is a NULL pointer dereference vulnerability in the Linux kernel's xen/privcmd component, specifically within the privcmd_ioctl_dm_op() function. This flaw, rated Medium (CVSS 5.5), could lead to a denial of service (A:H) due to improper handling of pinned pages and an incorrect error exit. While the attack complexity is low (AC:L) and requires local privileges (PR:L), there is no evidence of active exploitation, publicly available exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.11, < 5.10.140CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.64CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 5.19.6CPE 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:*:*:*:*:*:* |
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.