CVE-2024-0775: Kernel: use-after-free while changing the mount option in __ext4_remount leading
First published: Sun Jan 21 2024(Updated: )
A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.4 | |
| Linux Linux kernel | =6.4-rc1 | |
| Redhat Enterprise Linux | =9.0 | |
| redhat/Kernel | <6.4 | 6.4 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.9-1 |
Remedy
https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162
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Reference Links
- https://access.redhat.com/security/cve/CVE-2024-0775
- https://bugzilla.redhat.com/show_bug.cgi?id=2259414
- https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162
- https://launchpad.net/bugs/cve/CVE-2024-0775
- https://git.kernel.org/linus/4c0b4818b1f636bc96359f7817a2d8bab6370162
- https://security-tracker.debian.org/tracker/CVE-2024-0775
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-0775
- https://nvd.nist.gov/vuln/detail/CVE-2024-0775
- https://ubuntu.com/security/CVE-2024-0775
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