CVE-2022-49058
cifs: potential buffer overflow in handling symlinks
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new high vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 3e582749e742e662a8e9bb37cffac62dccaaa1e2 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 1316c28569a80ab3596eeab05bf5e01991e7e739 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < eb5f51756944735ac70cd8bb38637cc202e29c91 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 22d658c6c5affed10c8907e67160cef0b6c92186 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 4e166a41180be2f1e66bbb6d46448e80a9a5ec05 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 9901b07ba42b39266b34a888e48d7306fd707bee c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 515e7ba11ef043d6febe69389949c8ef5f25e9d0 c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 < 64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304
Linux / Linux
2.6.37
References
git.kernel.org: https://git.kernel.org/stable/c/3e582749e742e662a8e9bb37cffac62dccaaa1e2 git.kernel.org: https://git.kernel.org/stable/c/1316c28569a80ab3596eeab05bf5e01991e7e739 git.kernel.org: https://git.kernel.org/stable/c/eb5f51756944735ac70cd8bb38637cc202e29c91 git.kernel.org: https://git.kernel.org/stable/c/22d658c6c5affed10c8907e67160cef0b6c92186 git.kernel.org: https://git.kernel.org/stable/c/4e166a41180be2f1e66bbb6d46448e80a9a5ec05 git.kernel.org: https://git.kernel.org/stable/c/9901b07ba42b39266b34a888e48d7306fd707bee git.kernel.org: https://git.kernel.org/stable/c/515e7ba11ef043d6febe69389949c8ef5f25e9d0 git.kernel.org: https://git.kernel.org/stable/c/64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304