CVE-2024-35988

riscv: Fix TASK_SIZE on 64-bit NOMMU

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

20 May 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Linux · Linux

References

https://cert-portal.siemens.com/productcert/html/ssa-265688.html https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6 https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948 https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2 https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html