Buffer overflow in Linux kernel - CVE-2024-26811
Published: April 15, 2024
Vulnerability identifier: #VU88543
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26811
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to a boundary error when installing malicious ksmbd-tools. A local user can force the ksmbd.mountd to return invalid ipc response to ksmbd kernel server, trigger memory corruption and execute arbitrary code on the target system.
How to mitigate CVE-2024-26811
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/a677ebd8ca2f2632ccdecbad7b87641274e15aac
- https://git.kernel.org/stable/c/51a6c2af9d20203ddeeaf73314ba8854b38d01bd
- https://git.kernel.org/stable/c/a637fabac554270a851033f5ab402ecb90bc479c
- https://git.kernel.org/stable/c/76af689a45aa44714b46d1a7de4ffdf851ded896
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RO3RO34MLQ6WT3A7O6STQUVXW43N6W3K/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LG6L4FXO4WNWUM6W7USOH2YTRVWREM3V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XCNJZBDMGJXRIKLGKM4RRJU4XCHPX62/