CVE-2024-35867: smb: client: fix potential UAF in cifs_stats_proc_show()
First published: Sun May 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_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<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/0865ffefea197b437ba78b5dd8d8e256253efd65
- https://git.kernel.org/stable/c/16b7d785775eb03929766819415055e367398f49
- https://git.kernel.org/stable/c/1e12f0d5c66f07c934041621351973a116fa13c7
- https://git.kernel.org/stable/c/c3cf8b74c57924c0985e49a1fdf02d3395111f39
- http://www.openwall.com/lists/oss-security/2024/05/29/2
- http://www.openwall.com/lists/oss-security/2024/05/30/1
- http://www.openwall.com/lists/oss-security/2024/05/30/2
- https://launchpad.net/bugs/cve/CVE-2024-35867
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35867
- https://nvd.nist.gov/vuln/detail/CVE-2024-35867
- https://security-tracker.debian.org/tracker/CVE-2024-35867
- https://ubuntu.com/security/CVE-2024-35867
- https://git.kernel.org/linus/0865ffefea197b437ba78b5dd8d8e256253efd65
- https://access.redhat.com/security/cve/CVE-2024-35867
- https://lore.kernel.org/linux-cve-announce/2024051939-CVE-2024-35867-15e3@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281755
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2281754
Frequently Asked Questions
What is the severity of CVE-2024-35867?
CVE-2024-35867 has been classified as a medium severity vulnerability.
How do I fix CVE-2024-35867?
To fix CVE-2024-35867, update the Linux kernel to version 6.1.85, 6.6.26, 6.8.5, or 6.9 as specified by your operating system provider.
What impact does CVE-2024-35867 have on systems?
CVE-2024-35867 can potentially lead to a use-after-free condition affecting the stability and security of systems running vulnerable versions of the Linux kernel.
Which systems are affected by CVE-2024-35867?
CVE-2024-35867 affects versions of the Linux kernel prior to 6.1.85, 6.6.26, 6.8.5, and 6.9.
Is a reboot required after patching CVE-2024-35867?
Yes, a reboot is typically required after applying patches for CVE-2024-35867 to ensure that all components are updated.
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