CVE-2024-26928: smb: client: fix potential UAF in cifs_debug_files_proc_show()
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix potential UAF in cifsdebugfilesprocshow()
Skip sessions that are being teared down (status == SESEXITING) to avoid UAF.
Other sources
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix potential UAF in cifsdebugfilesprocshow() - Greg Kroah-Hartman
The Linux kernel CVE team has assigned CVE-2024-26928 to this issue.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024042849-CVE-2024-26928-e543@gregkh/
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.27-1 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.1.85 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.6.26 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.8.5 - Upgrade
Upgrade
redhat/kernelto a version that resolves this vulnerability.Fixed in 6.9 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 5.15.180.1-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch CVE-2024-26928
Event History
Frequently Asked Questions
What is the severity of CVE-2024-26928?
CVE-2024-26928 has been classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-26928?
To fix CVE-2024-26928, update the Linux kernel to version 6.1.85 or higher, or 6.6.26, 6.8.5, or 6.9 as applicable.
What are the affected versions for CVE-2024-26928?
CVE-2024-26928 affects Linux kernel versions prior to 6.1.85, 6.6.26, 6.8.5, or 6.9.
Is CVE-2024-26928 exploitable remotely?
CVE-2024-26928 may potentially be exploited remotely under certain conditions, making it important to apply patches promptly.
What type of vulnerability is CVE-2024-26928?
CVE-2024-26928 is a use-after-free vulnerability that can lead to potential information disclosure or denial of service.