CVE-2025-22038

Summary

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate zero num_subauth before sub_auth is accessed

Access psid->sub_auth[psid->num_subauth - 1] without checking if num_subauth is non-zero leads to an out-of-bounds read. This patch adds a validation step to ensure num_subauth != 0 before sub_auth is accessed.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 3ac65de111c686c95316ade660f8ba7aea3cd3ccaffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 0e36a3e080d6d8bd7a34e089345d043da4ac8283affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 56de7778a48560278c334077ace7b9ac4bfb2fd1affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 68c6c3142bfcdb049839d40a9a59ebe8ea865002affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < c8bfe1954a0b89e7b29b3a3e7f4c5e0ebd295e20affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < bf21e29d78cd2c2371023953d9c82dfef82ebb36affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux6.1.134 <= 6.1.*unaffected
LinuxLinux6.6.87 <= 6.6.*unaffected
LinuxLinux6.12.23 <= 6.12.*unaffected
LinuxLinux6.13.11 <= 6.13.*unaffected
LinuxLinux6.14.2 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References