CVE-2024-26928: smb: client: fix potential UAF in cifs_debug_files_proc_show()
First published: Sun Apr 28 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.85 | 6.1.85 |
| redhat/kernel | <6.6.26 | 6.6.26 |
| redhat/kernel | <6.8.5 | 6.8.5 |
| redhat/kernel | <6.9 | 6.9 |
| Linux Kernel | <6.1.85 | |
| Linux Kernel | >=6.2<6.6.26 | |
| Linux Kernel | >=6.7<6.8.5 | |
| Linux Kernel | =6.9-rc1 | |
| Linux Kernel | =6.9-rc2 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.133-1 6.12.22-1 6.12.25-1 |
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Reference Links
- https://git.kernel.org/stable/c/229042314602db62559ecacba127067c22ee7b88
- https://git.kernel.org/stable/c/3402faf78b2516b0af1259baff50cc8453ef0bd1
- https://git.kernel.org/stable/c/a65f2b56334ba4dc30bd5ee9ce5b2691b973344d
- https://git.kernel.org/stable/c/ca545b7f0823f19db0f1148d59bc5e1a56634502
- https://launchpad.net/bugs/cve/CVE-2024-26928
- https://access.redhat.com/security/cve/CVE-2024-26928
- https://lore.kernel.org/linux-cve-announce/2024042849-CVE-2024-26928-e543@gregkh/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2277938
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2277937
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26928
- https://nvd.nist.gov/vuln/detail/CVE-2024-26928
- https://security-tracker.debian.org/tracker/CVE-2024-26928
- https://ubuntu.com/security/CVE-2024-26928
- https://git.kernel.org/linus/ca545b7f0823f19db0f1148d59bc5e1a56634502
- https://git.kernel.org/stable/c/a140224bcf87eb98a87b67ff4c6826c57e47b704
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.
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