CVE-2024-56549 is a NULL pointer dereference vulnerability in the Linux kernel's cachefiles subsystem, specifically affecting the object->file in on-demand mode. This flaw arises from an inconsistency in the lifetime of allocated file descriptors and the object->file, leading to a potential system crash. Rated Medium (CVSS 5.5), a local attacker with low privileges can exploit this with low attack complexity, resulting in high availability impact (denial of service). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.19, < 6.11.11CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.12, < 6.12.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
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
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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