CVE•Published 2025-02-26•Modified 2026-08-04•1 article on news•5 live references•NVD data
CVE-2022-49058Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS percentile
25
Exploit Prediction Scoring System · top 75% of all CVEs
Description
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.
Timeline
Published 2025-02-26
Modified 2026-08-04
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2022-49058Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Linux Kernel"Hosts Shodan identified as running Linux Kernel.
More intel sources (5)
Shodan report
vuln:CVE-2022-49058Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2022-49058Censys host search filtered to this CVE id.
grep.app
CVE-2022-49058Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2022-49058GitHub code search for direct mentions.
Google dork
"CVE-2022-49058" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2022-49058 on GitHub.