CVE-2024-26936

Summary

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

ksmbd: validate request buffer size in smb2_allocate_rsp_buf()

The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as smb2 header is used in smb2_allocate_rsp_buf(). This patch add simple buffer size validation to avoid potencial out-of-bounds in request buffer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 8f3d0bf1d0c62b539d54c5b9108a845cff619b99affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 21ff9d7d223c5c19cb4334009e4c0c83a2f4d674affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 5c20b242d4fed73a93591e48bfd9772e2322fb11affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 17cf0c2794bdb6f39671265aa18aea5c22ee8c4aaffected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.159 <= 5.15.*unaffected
LinuxLinux6.1.88 <= 6.1.*unaffected
LinuxLinux6.6.29 <= 6.6.*unaffected
LinuxLinux6.8.8 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References