In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.
Fix
Patch, vendor advisory and mitigation references on NVD 6
- https://git.kernel.org/stable/c/139512191bd06f1b496117c76372b2ce372c9a41 Patch
- https://git.kernel.org/stable/c/4583748b65dee4d61bd50a2214715b4237bc152a Patch
- https://git.kernel.org/stable/c/9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4 Patch
- https://git.kernel.org/stable/c/a39f61d212d822b3062d7f70fa0588e50e55664e Patch
- https://git.kernel.org/stable/c/ce3c6165fce0f06305c806696882a3ad4b90e33f Patch
- https://git.kernel.org/stable/c/ea07480b23225942208f1b754fea1e7ec486d37e Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · linuxNVD modified 2026-10-15 02:17
Affected (CPE criteria) 6
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.9:-:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.9:rc7:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.9:rc8:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
References 9
- https://git.kernel.org/stable/c/139512191bd06f1b496117c76372b2ce372c9a41 Patch
- https://git.kernel.org/stable/c/4583748b65dee4d61bd50a2214715b4237bc152a Patch
- https://git.kernel.org/stable/c/9b1766d1ff5fe496aabe9fc5f4e34e53f35c11c4 Patch
- https://git.kernel.org/stable/c/a39f61d212d822b3062d7f70fa0588e50e55664e Patch
- https://git.kernel.org/stable/c/ce3c6165fce0f06305c806696882a3ad4b90e33f Patch
- https://git.kernel.org/stable/c/ea07480b23225942208f1b754fea1e7ec486d37e Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html