Tracker / CVE-2022-49058
CVE-2022-49058
Critical 9.1
In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max) It's caused because Smatch marks 'link_len' as untrusted since it comes from sscanf(). Add a check to ensure that 'link_len' is not larger than the size of the 'link_str' buffer.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 2.6.37 → 4.9.311 |
| linux | linux_kernel · 4.10 → 4.14.276 |
| linux | linux_kernel · 4.15 → 4.19.239 |
| linux | linux_kernel · 4.20 → 5.4.190 |
| linux | linux_kernel · 5.11 → 5.15.35 |
| linux | linux_kernel · 5.16 → 5.17.4 |
| linux | linux_kernel · 5.5 → 5.10.112 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.