CVE-2023-2612 — Improper Locking in LTD Ubuntu-linux

CWE-667 — Improper Locking17 documents5 sources
Severity
4.7MEDIUMNVD
CNA4.4
EPSS
0.0%
top 96.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Canonical LTD Ubuntu-linuxLinux KernelCanonical Ubuntu Linux
Timeline
PublishedMay 31
Latest updateJul 27

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 vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages2 packages

▶Ubuntulinux/linux_kernel< 5.4.0-150.167+1
▶CVEListV5canonical_ltd/ubuntu-linux< 02b47547824b1cd0d55c6744f91886f04de8947e

Also affects: Ubuntu Linux 20.04, 22.04, 22.10

Patches

Patch: git.launchpad.net ↗Patch: git.launchpad.net ↗

🔴Vulnerability Details

4
GHSA
GHSA-r34w-xrj9-cpvr: Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some↗2023-05-31
▶
CVEList
shiftfs lock unbalance in Ubuntu-specific kernels↗2023-05-30
▶
OSV
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↗2023-05-30
▶
OSV
linux-oem-6.1 vulnerabilities↗2023-05-30
▶

📋Vendor Advisories

12
Ubuntu
Linux kernel (IoT) vulnerabilities↗2023-07-27
▶
Ubuntu
Linux kernel (Xilinx ZynqMP) vulnerabilities↗2023-07-12
▶
Ubuntu
Linux kernel vulnerabilities↗2023-06-22
▶
Ubuntu
Kernel Live Patch Security Notice↗2023-06-21
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2023-06-14
▶
CVE-2023-2612 — Improper Locking in LTD Ubuntu-linux | cvebase