CVE-2023-52616

Summary

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

crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init

When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the structure was released. Initially, this issue was ignored because memory for mpi_ec_ctx is allocated with the __GFP_ZERO flag. For example, this error will be triggered when calculating the Za value for SM2 separately.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < 0c3687822259a7628c85cd21a3445cbe3c367165affected
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < 2bb86817b33c9d704e127f92b838035a72c315b6affected
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < bb44477d4506e52785693a39f03cdc6a2c5e8598affected
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < 7ebf812b7019fd2d4d5a7ca45ef4bf3a6f4bda0aaffected
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < 7abdfd45a650c714d5ebab564bb1b988f14d9b49affected
LinuxLinuxd58bb7e55a8a65894cc02f27c3e2bf9403e7c40f < ba3c5574203034781ac4231acf117da917efcd2aaffected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.210 <= 5.10.*unaffected
LinuxLinux5.15.149 <= 5.15.*unaffected
LinuxLinux6.1.79 <= 6.1.*unaffected
LinuxLinux6.6.15 <= 6.6.*unaffected
LinuxLinux6.7.3 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References