SB2024082217 - Use-after-free in Linux kernel cifs
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082217
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48919)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cifs_do_mount() function in fs/cifs/cifsfs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/da834d6c1147c7519a9e55b510a03b7055104749
- https://git.kernel.org/stable/c/147a0e71ccf96df9fc8c2ac500829d8e423ef02c
- https://git.kernel.org/stable/c/2fe0e281f7ad0a62259649764228227dd6b2561d
- https://git.kernel.org/stable/c/e208668ef7ba23efcbf76a8200cab8deee501c4d
- https://git.kernel.org/stable/c/df9db1a2af37f39ad1653c7b9b0d275d72d0bc67
- https://git.kernel.org/stable/c/546d60859ecf13380fcabcbeace53a5971493a2b
- https://git.kernel.org/stable/c/563431c1f3c8f2230e4a9c445fa23758742bc4f0
- https://git.kernel.org/stable/c/3d6cc9898efdfb062efb74dc18cfc700e082f5d5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.233
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.305
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.104
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.183