CVE-2023-53745 json
um: vector: Fix memory leak in vector_config
published 2025-12-08 11 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-60083
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
In the Linux kernel, the following vulnerability has been resolved:
um: vector: Fix memory leak in vector_config
If the return value of the uml_parse_vector_ifspec function is NULL, we should call kfree(params) to prevent memory leak.
Patch / fix
- Linux Linux 4.19.276, 5.4.235, 5.10.173, 5.15.100, 6.1.18, 6.2.5, 6.3
- linux Debian 14, Debian 13, Debian 12 6.1.20-1
debian advisories DEBIAN-CVE-2023-53745
- linux Ubuntu 20.04 LTS 5.4.0-152.169
- linux Ubuntu 22.04 LTS 5.15.0-79.86
- linux-aws Ubuntu 20.04 LTS 5.4.0-1104.112
- linux-aws Ubuntu 22.04 LTS 5.15.0-1042.47
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1107.116
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1039.47
- linux-gke Ubuntu 22.04 LTS 5.15.0-1039.44
- linux-ibm Ubuntu 20.04 LTS 5.4.0-1051.56
ubuntu advisories UBUNTU-CVE-2023-53745
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/5c49fb5ad01104acc584405572abf6616d45148e commit
- git.kernel.org/stable/c/6480c3a12755bf85d6738ab60967e89b809c701a commit
- git.kernel.org/stable/c/f2b9c4544e3bd60f353732291300097b0e8d8454 commit
- git.kernel.org/stable/c/276a7298af6a801e9a865282605a79303365ec66 commit
- git.kernel.org/stable/c/c8583b4655aab44a9796b5c4a681ddcc6fe2f0d0 commit
- git.kernel.org/stable/c/634a9c139cc1362f6a9cc6cbfe442dbb60ff9f3f commit
- git.kernel.org/stable/c/8f88c73afe481f93d40801596927e8c0047b6d96 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-53745 updated
kernel: um: vector: Fix memory leak in vector_config
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/5c49fb5ad01104acc584405572abf6616d45148e
- git.kernel.org /stable/c/6480c3a12755bf85d6738ab60967e89b809c701a
- git.kernel.org /stable/c/f2b9c4544e3bd60f353732291300097b0e8d8454
- git.kernel.org /stable/c/276a7298af6a801e9a865282605a79303365ec66
- git.kernel.org /stable/c/c8583b4655aab44a9796b5c4a681ddcc6fe2f0d0
- git.kernel.org /stable/c/634a9c139cc1362f6a9cc6cbfe442dbb60ff9f3f
- git.kernel.org /stable/c/8f88c73afe481f93d40801596927e8c0047b6d96
Sources
- CVE List CVE-2023-53745
- NVD CVE-2023-53745
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.