CVE-2023-45863: Race Condition
First published: Sat Oct 14 2023(Updated: )
<a href="https://access.redhat.com/security/cve/CVE-2023-45863">CVE-2023-45863</a> --- An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write. <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394</a> <a href="https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3">https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3</a>
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.2.3 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 | |
| IBM InfoSphere Guardium z/OS | <=12.0 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://launchpad.net/bugs/cve/CVE-2023-45863
- https://exchange.xforce.ibmcloud.com/vulnerabilities/268715
- https://www.ibm.com/support/pages/node/7152469 (Advisory)
- https://access.redhat.com/security/cve/CVE-2023-45863
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2244721
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/errata/RHSA-2024:2950
- https://access.redhat.com/errata/RHSA-2024:3138
- https://bugzilla.redhat.com/show_bug.cgi?id=2244720
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45863
- https://nvd.nist.gov/vuln/detail/CVE-2023-45863
- https://security-tracker.debian.org/tracker/CVE-2023-45863
- https://ubuntu.com/security/CVE-2023-45863
- https://git.kernel.org/linus/3bb2a01caa813d3a1845d378bbe4169ef280d394
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2023-45863.
What is the severity of CVE-2023-45863?
The severity of CVE-2023-45863 is medium (6.4).
What is the affected software?
The affected software is the Linux kernel versions before 6.2.3.
What is the CWE classification of this vulnerability?
The CWE classification of this vulnerability is CWE-362 and CWE-787.
How can the vulnerability be exploited?
With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write.
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