CVE-2025-21749
Not scored
net: rose: lock the socket in rose_bind()
In the Linux kernel, the following vulnerability has been resolved: net: rose: lock the socket in rose_bind() syzbot reported a soft lockup in rose_loopback_timer(), with a repro calling bind() from multiple threads. rose_bind() must lock the socket to avoid this issue.
Exploit probability
0.2%
Published
February 27, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
1773 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-21749
View original source
In the Linux kernel, the following vulnerability has been resolved: net: rose: lock the socket in rose_bind() syzbot reported a soft lockup in rose_loopback_timer(), with a repro calling bind() from multiple threads. rose_bind() must lock the socket to avoid this issue.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/4c04b0ab3a647e76d0e752b013de8e404abafc63
- https://git.kernel.org/stable/c/667f61b3498df751c8b3f0be1637e7226cbe3ed0
- https://git.kernel.org/stable/c/970cd2ed26cdab2b0f15b6d90d7eaa36538244a5
- https://git.kernel.org/stable/c/a1300691aed9ee852b0a9192e29e2bdc2411a7e6
- https://git.kernel.org/stable/c/b8bf5c3fb778bbb1f3ff7d98ec577c969f687513
- https://git.kernel.org/stable/c/d308661a0f4e7c8e86dfc7074a55ee5894c61538
- https://git.kernel.org/stable/c/e0384efd45f615603e6869205b72040c209e69cc
- https://git.kernel.org/stable/c/ed00c5f907d08a647b8bf987514ad8c6b17971a7
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21749.json
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-21749