CVE-2024-40939

Summary

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

net: wwan: iosm: Fix tainted pointer delete is case of region creation fail

In case of region creation fail in ipc_devlink_create_region(), previously created regions delete process starts from tainted pointer which actually holds error code value. Fix this bug by decreasing region index before delete.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4dcd183fbd67b105decc8be262311937730ccdbf < fe394d59cdae81389dbf995e87c83c1acd120597affected
LinuxLinux4dcd183fbd67b105decc8be262311937730ccdbf < 040d9384870386eb5dc55472ac573ac7756b2050affected
LinuxLinux4dcd183fbd67b105decc8be262311937730ccdbf < 37a438704d19bdbe246d51d3749b6b3a8fe65afdaffected
LinuxLinux4dcd183fbd67b105decc8be262311937730ccdbf < b0c9a26435413b81799047a7be53255640432547affected
LinuxLinux5.16affected
LinuxLinux0 < 5.16unaffected
LinuxLinux6.1.95 <= 6.1.*unaffected
LinuxLinux6.6.35 <= 6.6.*unaffected
LinuxLinux6.9.6 <= 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