PT-2025-49475 · Linux · Linux Kernel

Published 2025-12-08 · Updated 2025-12-09 · CVE-2023-53745

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A memory leak exists in the vector configuration due to an improper handling of the return value from the uml parse vector ifspec function. If this function returns NULL, the kfree(params) function is not called, leading to a memory leak.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2023-53745

Affected Products

Linux Kernel

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53745.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53745 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53745 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-53745 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53745 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53745 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53745 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53745 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53745 · Vendor Advisory
• https://git.kernel.org/linus/8f88c73afe481f93d40801596927e8c0047b6d96 · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-53745 · Note
• https://twitter.com/CVEnew/status/1997863667719672186 · Twitter Post
• https://git.kernel.org/stable/c/276a7298af6a801e9a865282605a79303365ec66 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/f2b9c4544e3bd60f353732291300097b0e8d8454 · Note