CVE-2024-35904: selinux: avoid dereference of garbage after mount failure
First published: Sun May 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: selinux: avoid dereference of garbage after mount failure In case kern_mount() fails and returns an error pointer return in the error branch instead of continuing and dereferencing the error pointer. While on it drop the never read static variable selinuxfs_mount.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.26 | 6.6.26 |
| redhat/kernel | <6.8.5 | 6.8.5 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | <=5.10.223-1<=5.10.226-1<=6.1.115-1<=6.1.119-1 | 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/37801a36b4d68892ce807264f784d818f8d0d39b
- https://git.kernel.org/stable/c/477ed6789eb9f3f4d3568bb977f90c863c12724e
- https://git.kernel.org/stable/c/68784a5d01b8868ff85a7926676b6729715fff3c
- 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-2024-35904
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35904
- https://nvd.nist.gov/vuln/detail/CVE-2024-35904
- https://security-tracker.debian.org/tracker/CVE-2024-35904
- https://ubuntu.com/security/CVE-2024-35904
- https://git.kernel.org/linus/37801a36b4d68892ce807264f784d818f8d0d39b
- https://access.redhat.com/security/cve/CVE-2024-35904
- https://lore.kernel.org/linux-cve-announce/2024051953-CVE-2024-35904-7f85@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281656
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2281655
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