Resource management error in Linux kernel - CVE-2023-40791
Published: July 7, 2024
Vulnerability identifier: #VU93848
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-40791
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to damange or delete data.
The vulnerability exists due to resource management error within the extract_user_to_sg() function in lib/scatterlist.c. A local user can damange or delete data.
How to mitigate CVE-2023-40791
Install update from vendor's website.
Sources
- https://lkml.org/lkml/2023/8/3/323
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f443fd5af5dbd531f880d3645d5dd36976cf087f
- https://lore.kernel.org/linux-crypto/20571.1690369076%40warthog.procyon.org.uk/
- https://security.netapp.com/advisory/ntap-20231110-0009/