CVE-2024-0565

Summary

An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.

Affected Software

VendorProductVersion RangeStatus
0 < 6.7-rc6affected
Red HatRed Hat Enterprise Linux 80:4.18.0-513.24.1.rt7.326.el8_9 < *unaffected
Red HatRed Hat Enterprise Linux 80:4.18.0-513.24.1.el8_9 < *unaffected
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support0:4.18.0-372.95.1.el8_6 < *unaffected
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support0:4.18.0-477.51.1.el8_8 < *unaffected
Red HatRed Hat Enterprise Linux 90:5.14.0-427.13.1.el9_4 < *unaffected
Red HatRed Hat Enterprise Linux 90:5.14.0-427.13.1.el9_4 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support0:5.14.0-284.59.1.el9_2 < *unaffected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support0:5.14.0-284.59.1.rt14.344.el9_2 < *unaffected
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 80:4.18.0-372.95.1.el8_6 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-16 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-7 < *unaffected
Red HatRHOL-5.7-RHEL-8v6.8.1-408 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-19 < *unaffected
Red HatRHOL-5.7-RHEL-8v1.0.0-480 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-9 < *unaffected
Red HatRHOL-5.7-RHEL-8v0.4.0-248 < *unaffected
Red HatRHOL-5.7-RHEL-8v1.14.6-215 < *unaffected
Red HatRHOL-5.7-RHEL-8v6.8.1-431 < *unaffected
Red HatRHOL-5.7-RHEL-8v1.1.0-228 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.8.1-471 < *unaffected
Red HatRHOL-5.7-RHEL-8v2.9.6-15 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-3 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-27 < *unaffected
Red HatRHOL-5.7-RHEL-8v5.7.13-12 < *unaffected
Red HatRHOL-5.7-RHEL-8v0.1.0-527 < *unaffected
Red HatRHOL-5.7-RHEL-8v0.1.0-225 < *unaffected
Red HatRHOL-5.7-RHEL-8v0.28.1-57 < *unaffected

Weaknesses

  • CWE-191: Integer Underflow (Wrap or Wraparound)

Workarounds

To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References