CVE-2023-51781
HIGHCVSS 7/10EPSS 0.31%
Last modified
CVE-2023-51781 is a high-severity vulnerability rated 7/10 on the CVSS scale. An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | > 2.6.12, < 6.6.8 | — |
| Linux | Linux Kernel | 2.6.12 | Rc2 |
| Linux | Linux Kernel | 6.7 | Rc1 |
| Debian | Debian Linux | 10.0 | — |
References
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-51781?
An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.
How severe is CVE-2023-51781?
CVE-2023-51781 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2023-51781?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-51781?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST