CVE-2026-53016 (GCVE-0-2026-53016)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-07-15 02:47
VLAI
Title
crypto: ccp - copy IV using skcipher ivsize
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - copy IV using skcipher ivsize AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver. ccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV buffer while RFC3686 skciphers expose an 8-byte IV, so the restore overruns the provided buffer. Use crypto_skcipher_ivsize() to copy only the algorithm's IV length.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 939061b2d0f7f15114e34b4ce878ef50ff4089c3 (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 798d409a8949f3f495f238549b86de2886b129bd (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < dfb2cf434829819268fe50f41542aad318ad62b2 (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < eecee15e263ccb8cd77170a56ab6c969cb54dd6a (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < bb01d8f1f385bc9034ca114d3508c7fdea24fc9a (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < df9784bb5b637ac80f4a2768a58ca9a50bef28a9 (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < 227c1e1d9e2aa4cfc65ba446d5690da1f546cda4 (git)
Affected: 2b789435d7f36ed918d92db647f3a2f3fec9bb1f , < a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4 (git)
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Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:6.12.0-211.34.1.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-687.25.1.el9_8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9
    cpe:/o:redhat:enterprise_linux:9
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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length.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/crypto/ccp/ccp-crypto-aes.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"939061b2d0f7f15114e34b4ce878ef50ff4089c3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"798d409a8949f3f495f238549b86de2886b129bd\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"dfb2cf434829819268fe50f41542aad318ad62b2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"eecee15e263ccb8cd77170a56ab6c969cb54dd6a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"bb01d8f1f385bc9034ca114d3508c7fdea24fc9a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"df9784bb5b637ac80f4a2768a58ca9a50bef28a9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"227c1e1d9e2aa4cfc65ba446d5690da1f546cda4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"2b789435d7f36ed918d92db647f3a2f3fec9bb1f\",\"lessThan\":\"a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/crypto/ccp/ccp-crypto-aes.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.14\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.14\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.141\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.91\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.33\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.10\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"affectedData\":[{\"vendor\":\"Red 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Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2026:39494\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/security/cve/CVE-2026-53016\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2492269\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53016.json\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-14T22:23:01+00:00",
      "cve": "CVE-2026-53016",
      "id": "CVE-2026-53016",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:fixed": "612",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: crypto: ccp - copy IV using skcipher ivsize",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53016.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-15T18:49:38Z",
      "cve": "CVE-2026-53016",
      "id": "CVE-2026-53016",
      "initial_release_date": "2026-06-26T02:13:27Z",
      "product_status:first_fixed": "96",
      "product_status:known_affected": "161",
      "product_status:known_not_affected": "21",
      "product_status:recommended": "252",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-53016",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-53016.json",
      "version": "7"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.


Detection rules are retrieved from Rulezet.