CVE-2026-43109
x86: shadow stacks: proper error handling for mmap lock
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: x86: shadow stacks: proper error handling for mmap lock κΉμλ―Ό reports that shstk_pop_sigframe() doesn't check for errors from mmap_read_lock_killable(), which is a silly oversight, and also shows that we haven't marked those functions with "__must_check", which would have immediately caught it. So let's fix both issues.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 6, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c64cebcc5c4f223dbcbe7dcdf74908fc092a0aa4 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 262b6d38a81d51b135db81e1f30c13d30e38feee 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 52f657e34d7b21b47434d9d8b26fa7f6778b63a0
Linux / Linux
All versions affected