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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-49058 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/1316c28569a80ab3596eeab05bf5e01991e7e739 Patch 
https://git.kernel.org/stable/c/22d658c6c5affed10c8907e67160cef0b6c92186 Patch 
https://git.kernel.org/stable/c/3e582749e742e662a8e9bb37cffac62dccaaa1e2 Patch 
https://git.kernel.org/stable/c/4e166a41180be2f1e66bbb6d46448e80a9a5ec05 Patch 
https://git.kernel.org/stable/c/515e7ba11ef043d6febe69389949c8ef5f25e9d0 Patch 
https://git.kernel.org/stable/c/64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 Patch 
https://git.kernel.org/stable/c/9901b07ba42b39266b34a888e48d7306fd707bee Patch 
https://git.kernel.org/stable/c/eb5f51756944735ac70cd8bb38637cc202e29c91 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49058
NVD Published Date:
02/26/2025
NVD Last Modified:
03/18/2025
Source:
kernel.org