CVE-2022-50380

Summary

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

mm: /proc/pid/smaps_rollup: fix no vma's null-deref

Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < dbe863bce7679c7f5ec0e993d834fe16c5e687b5affected
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < 6bb8769326c46db3058780c0640dcc49d8187b24affected
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4affected
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < 33fc9e26b7cb39f0d4219c875a2451802249c225affected
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < 97898139ca9b81ba9322a585e07490983c53b55aaffected
LinuxLinux258f669e7e88c18edbc23fe5ce00a476b924551f < c4c84f06285e48f80e9843d0775ad92714ffc35aaffected
LinuxLinux4.19affected
LinuxLinux0 < 4.19unaffected
LinuxLinux4.19.264 <= 4.19.*unaffected
LinuxLinux5.4.221 <= 5.4.*unaffected
LinuxLinux5.10.152 <= 5.10.*unaffected
LinuxLinux5.15.76 <= 5.15.*unaffected
LinuxLinux6.0.6 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References