crypto: af_alg - Cap AEAD AD length to 0x80000000
Summary
| CVE | CVE-2026-52972 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-24 17:17:07 UTC |
| Updated | 2026-06-30 03:20:51 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000. |
Risk And Classification
Primary CVSS: v3.1 7 HIGH from ADP
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.001400000 probability, percentile 0.037210000 (date 2026-07-03)
Problem Types: CWE-190 | CWE-190 Integer Overflow or Wraparound
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | CVSS | 7 | HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | Secondary | 7 | HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef f8a5203596797f394ff3f9aa4005597a92249802 git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef a4fe4eb580bbc7439f649a496d4cf38415a4021c git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef e4c4a5074532eaaa14951994a3aad0d479aa7431 git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef 265ac26d1c5e17b34d497cbda1f754a1ec8552bc git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef a1c5672faf8e93e38c2deac3979cc767ca5cf918 git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef 97948906dc8e0ea84775e03e35b60a2063c70193 git | Not specified |
| CNA | Linux | Linux | affected 400c40cf78da00c16e561a3a253ca272455c42ef e4c06479d7059888adf2f22bc1ebcf053bf691a2 git | Not specified |
| CNA | Linux | Linux | affected 4.1 | Not specified |
| CNA | Linux | Linux | unaffected 4.1 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.141 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.91 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.33 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.10 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2-rc1 * original_commit_for_fix | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 8 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 9 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| ADP | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| bugzilla.redhat.com/show_bug.cgi | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | bugzilla.redhat.com | |
| security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | security.access.redhat.com | |
| git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| access.redhat.com/security/cve/CVE-2026-52972 | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | access.redhat.com | |
| git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2026-06-24T00:00:00.000Z | Reported to Red Hat. |
| ADP | 2026-06-24T00:00:00.000Z | Made public. |
There are currently no legacy QID mappings associated with this CVE.