VulnerabilityModified
CVE-2023-2612
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations.
MEDIUM 4.7EPSS 0.28%
Does this matter?
Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.
Description
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.28% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- canonical/ubuntu linux
- Source
- security@ubuntu.com
References
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947eMailing List, Patch
- https://ubuntu.com/security/CVE-2023-2612Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1Vendor Advisory
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947eMailing List, Patch
- https://ubuntu.com/security/CVE-2023-2612Vendor Advisory
- https://ubuntu.com/security/notices/USN-6122-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6123-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6124-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-6127-1Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.