CVE-2024-41077

Summary

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

null_blk: fix validation of block size

Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check.

Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1].

[axboe: remove unnecessary braces and != 0 check]

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < 9625afe1dd4a158a14bb50f81af9e2dac634c0b1affected
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < 9b873bdaae64bddade9d8c6df23c8a31948d47d0affected
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < 2772ed2fc075eef7df3789906fc9dae01e4e132eaffected
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < 08f03186b96e25e3154916a2e70732557c770ea7affected
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < f92409a9da02f27d05d713bff5f865e386cef9b3affected
LinuxLinuxcedcafad8277b3a07e90bf2f68fff5c6b28a183e < c462ecd659b5fce731f1d592285832fd6ad54053affected
LinuxLinux4.14affected
LinuxLinux0 < 4.14unaffected
LinuxLinux5.10.223 <= 5.10.*unaffected
LinuxLinux5.15.164 <= 5.15.*unaffected
LinuxLinux6.1.101 <= 6.1.*unaffected
LinuxLinux6.6.42 <= 6.6.*unaffected
LinuxLinux6.9.11 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References