CVE-2024-53101: fs: Fix uninitialized value issue in from_kuid and from_kgid
First published: Mon Nov 25 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: fs: Fix uninitialized value issue in from_kuid and from_kgid ocfs2_setattr() uses attr->ia_mode, attr->ia_uid and attr->ia_gid in a trace point even though ATTR_MODE, ATTR_UID and ATTR_GID aren't set. Initialize all fields of newattrs to avoid uninitialized variables, by checking if ATTR_MODE, ATTR_UID, ATTR_GID are initialized, otherwise 0.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <4.19.324 | |
| Linux Kernel | >=4.20<5.4.286 | |
| Linux Kernel | >=5.5<5.10.230 | |
| Linux Kernel | >=5.11<5.15.173 | |
| Linux Kernel | >=5.16<6.1.118 | |
| Linux Kernel | >=6.2<6.6.62 | |
| Linux Kernel | >=6.7<6.11.9 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| Linux Kernel | =6.12-rc6 | |
| Linux Kernel | =6.12-rc7 | |
| debian/linux | <=5.10.223-1 | 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/a0c77e5e3dcbffc7c6080ccc89c037f0c86496cf
- https://git.kernel.org/stable/c/17ecb40c5cc7755a321fb6148cba5797431ee5b8
- https://git.kernel.org/stable/c/9db25c2b41c34963c3ccf473b08171f87670652e
- https://git.kernel.org/stable/c/b3e612bd8f64ce62e731e95f635e06a2efe3c80c
- https://git.kernel.org/stable/c/5a72b0d3497b818d8f000c347a7c11801eb27bfc
- https://git.kernel.org/stable/c/1cb5bfc5bfc651982b6203c224d49b7ddacf28bc
- https://git.kernel.org/stable/c/1c28bca1256aecece6e94b26b85cd07e08b0dc90
- https://git.kernel.org/stable/c/15f34347481648a567db67fb473c23befb796af5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53101
- https://nvd.nist.gov/vuln/detail/CVE-2024-53101
- https://launchpad.net/bugs/cve/CVE-2024-53101
- https://security-tracker.debian.org/tracker/CVE-2024-53101
- https://ubuntu.com/security/CVE-2024-53101
- https://git.kernel.org/linus/15f34347481648a567db67fb473c23befb796af5
Frequently Asked Questions
What is the severity of CVE-2024-53101?
CVE-2024-53101 is classified as a moderate severity vulnerability in the Linux kernel due to issues with uninitialized values.
How do I fix CVE-2024-53101?
To fix CVE-2024-53101, update your Linux kernel to a version that includes the patches addressing this vulnerability.
What versions of the Linux kernel are affected by CVE-2024-53101?
CVE-2024-53101 affects Linux kernel versions from 4.19.324 up to and including various 6.12 release candidates.
What are the potential impacts of CVE-2024-53101?
Exploitation of CVE-2024-53101 could lead to information disclosure or improper handling of user attributes in the Linux filesystem.
Is there a workaround for CVE-2024-53101 if I cannot immediately update?
Currently, there are no known workarounds for CVE-2024-53101; updating to a patched version is recommended.
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