CVE-2023-52616 (GCVE-0-2023-52616)

Vulnerability from cvelistv5 – Published: 2024-03-18 10:14 – Updated: 2025-05-04 07:39
VLAI?
Title
crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < 0c3687822259a7628c85cd21a3445cbe3c367165 (git)
Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < 2bb86817b33c9d704e127f92b838035a72c315b6 (git)
Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < bb44477d4506e52785693a39f03cdc6a2c5e8598 (git)
Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < 7ebf812b7019fd2d4d5a7ca45ef4bf3a6f4bda0a (git)
Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < 7abdfd45a650c714d5ebab564bb1b988f14d9b49 (git)
Affected: d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f , < ba3c5574203034781ac4231acf117da917efcd2a (git)
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    Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.210 , ≤ 5.10.* (semver)
Unaffected: 5.15.149 , ≤ 5.15.* (semver)
Unaffected: 6.1.79 , ≤ 6.1.* (semver)
Unaffected: 6.6.15 , ≤ 6.6.* (semver)
Unaffected: 6.7.3 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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