CVE-2023-35823: Use After Free
First published: Sun Jun 18 2023(Updated: )
An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in saa7134_finidev in drivers/media/pci/saa7134/saa7134-core.c.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.4 | 6.4 |
| Linux Kernel | <6.3.2 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30cf57da176cca80f11df0d9b7f71581fe601389
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/all/49bb0b6a-e669-d4e7-d742-a19d2763e947@xs4all.nl/
- https://lore.kernel.org/lkml/20230318085023.832510-1-zyytlz.wz@163.com/t/
- https://security.netapp.com/advisory/ntap-20230803-0002/
- https://launchpad.net/bugs/cve/CVE-2023-35823
- https://lore.kernel.org/all/49bb0b6a-e669-d4e7-d742-a19d2763e947%40xs4all.nl/
- https://lore.kernel.org/lkml/20230318085023.832510-1-zyytlz.wz%40163.com/t/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2215916
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2216007
- https://access.redhat.com/errata/RHSA-2023:6901
- https://access.redhat.com/errata/RHSA-2023:7077
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/errata/RHSA-2024:0575
- https://bugzilla.redhat.com/show_bug.cgi?id=2215835
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35823
- https://nvd.nist.gov/vuln/detail/CVE-2023-35823
- https://security-tracker.debian.org/tracker/CVE-2023-35823
- https://ubuntu.com/security/CVE-2023-35823
- https://git.kernel.org/linus/30cf57da176cca80f11df0d9b7f71581fe601389
- https://www.ibm.com/support/pages/node/7172423 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-35823?
CVE-2023-35823 has a moderate severity level due to the potential for a use-after-free vulnerability in the Linux kernel.
How do I fix CVE-2023-35823?
To fix CVE-2023-35823, upgrade the Linux kernel to version 6.4 or later.
Which versions of the Linux kernel are affected by CVE-2023-35823?
CVE-2023-35823 affects Linux kernel versions prior to 6.3.2.
Are there any specific products impacted by CVE-2023-35823?
Yes, IBM Security Verify Governance and Identity Manager components up to version ISVG 10.0.2 are affected.
What is a use-after-free vulnerability in the context of CVE-2023-35823?
A use-after-free vulnerability occurs when a program continues to use memory after it has been freed, potentially leading to arbitrary code execution.
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