Description
In the Linux kernel, the following vulnerability has been resolved: riscv: process: fix kernel info leakage thread_struct's s[12] may contain random kernel memory content, which may be finally leaked to userspace. This is a security hole. Fix it by clearing the s[12] array in thread_struct when fork. As for kthread case, it's better to clear the s[12] array as well.
Product status
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before c4601d30f7d989b4f354df899ab85b5f7a750d30
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before c5c0b3167537793a7cf936fb240366eefd2fc7fb
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before e56d18a976dda653194218df6d40d8122c775712
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before cc36c7fa5d9384602529ba3eea8c5daee7be4dbc
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before 358a68f98304b40b201ba5afe94c20355aa3dc68
7db91e57a0acde126a162ababfb1e0ab190130cb (git) before 6510c78490c490a6636e48b61eeaa6fb65981f4b
4.15
Any version before 4.15
4.19.267 (semver)
5.4.225 (semver)
5.10.155 (semver)
5.15.79 (semver)
6.0.9 (semver)
6.1 (original_commit_for_fix)
References
git.kernel.org/...c/c4601d30f7d989b4f354df899ab85b5f7a750d30
git.kernel.org/...c/c5c0b3167537793a7cf936fb240366eefd2fc7fb
git.kernel.org/...c/e56d18a976dda653194218df6d40d8122c775712
git.kernel.org/...c/cc36c7fa5d9384602529ba3eea8c5daee7be4dbc
git.kernel.org/...c/358a68f98304b40b201ba5afe94c20355aa3dc68
git.kernel.org/...c/6510c78490c490a6636e48b61eeaa6fb65981f4b