CVE-2022-50402

Summary

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

drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()

Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference.

v2: update the check to include other dereference

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < 21e9aac9a74d30907d44bae0d24c036cb3819406affected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < 5d8d046f3dba939e74e2414f009df426700430edaffected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < 100caacfa0ed26e061954c90cdc835d42f709536affected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < b621d17fe8b079574c773800148fb86907f3445daffected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1affected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < 99bef41f8e8d1d52b5cb34f2f193f1346192752baffected
LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 < 3bd548e5b819b8c0f2c9085de775c5c7bff9052faffected
LinuxLinux3.5affected
LinuxLinux0 < 3.5unaffected
LinuxLinux4.19.270 <= 4.19.*unaffected
LinuxLinux5.4.229 <= 5.4.*unaffected
LinuxLinux5.10.163 <= 5.10.*unaffected
LinuxLinux5.15.86 <= 5.15.*unaffected
LinuxLinux6.0.16 <= 6.0.*unaffected
LinuxLinux6.1.2 <= 6.1.*unaffected
LinuxLinux6.2 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References