In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASK_SIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.
Fix
Patch, vendor advisory and mitigation references on NVD 12
- https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 Patch
- https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be Patch
- https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b Patch
- https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 Patch
- https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa Patch
- https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 Patch
- https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 Patch
- https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be Patch
- https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b Patch
- https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 Patch
- https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa Patch
- https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 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 · linux, debianNVD modified 2026-10-15 01:18
Affected (CPE criteria) 7
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References 14
- https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 Patch
- https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be Patch
- https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b Patch
- https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 Patch
- https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa Patch
- https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 Patch
- https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 Patch
- https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be Patch
- https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b Patch
- https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 Patch
- https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa Patch
- https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html