CVE-2023-51780: Use After Free
First published: Mon Dec 25 2023(Updated: )
An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.8 | 6.6.8 |
| Linux Kernel | >2.6.12<6.6.8 | |
| Linux Kernel | =2.6.12-rc2 | |
| Linux Kernel | =2.6.12-rc3 | |
| Linux Kernel | =2.6.12-rc4 | |
| Linux Kernel | =2.6.12-rc5 | |
| Linux Kernel | =2.6.12-rc6 | |
| Linux Kernel | =6.7-rc1 | |
| Linux Kernel | =6.7-rc2 | |
| Linux Kernel | =6.7-rc3 | |
| Linux Kernel | =6.7-rc4 | |
| Linux Kernel | =6.7-rc5 | |
| Debian Linux | =10.0 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8
- https://github.com/torvalds/linux/commit/24e90b9e34f9e039f56b5f25f6e6eb92cdd8f4b3
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://security.netapp.com/advisory/ntap-20240419-0001/
- https://launchpad.net/bugs/cve/CVE-2023-51780
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2257684
- 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=2257682
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-51780
- https://nvd.nist.gov/vuln/detail/CVE-2023-51780
- https://security-tracker.debian.org/tracker/CVE-2023-51780
- https://ubuntu.com/security/CVE-2023-51780
- https://git.kernel.org/linus/24e90b9e34f9e039f56b5f25f6e6eb92cdd8f4b3
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-51780?
CVE-2023-51780 carries a high severity rating due to the presence of a use-after-free vulnerability in the Linux kernel.
How do I fix CVE-2023-51780?
To mitigate CVE-2023-51780, update the Linux kernel to version 6.6.8 or later.
What versions of the Linux kernel are affected by CVE-2023-51780?
CVE-2023-51780 affects Linux kernel versions before 6.6.8, including versions 2.6.12 through 6.6.7.
What is a use-after-free vulnerability in relation to CVE-2023-51780?
In CVE-2023-51780, the use-after-free vulnerability allows an attacker to exploit a race condition that may lead to arbitrary code execution.
Which distributions are impacted by CVE-2023-51780?
CVE-2023-51780 impacts multiple distributions, including Red Hat and Debian, that utilize vulnerable versions of the Linux kernel.
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