Answer in brief
CVE-2026-52972 records a High severity (CVSS 7.0) vulnerability in crypto: af_alg - Cap AEAD AD length to 0x80000000. The current sources do not mark it as known exploited. The current feed maps Red Hat/kernel (generic), Red Hat/kernel-rt (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Red Hat/kernel (generic), Red Hat/kernel-rt (generic), Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Red Hat/kernelgeneric | * | Not reported |
| Red Hat/kernel-rtgeneric | * | Not reported |
| Linux/Linuxgeneric | >=400c40cf78da00c16e561a3a253ca272455c42ef <f8a5203596797f394ff3f9aa4005597a92249802 || >=400c40cf78da00c16e561a3a253ca272455c42ef <a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d || >=400c40cf78da00c16e561a3a253ca272455c42ef <a4fe4eb580bbc7439f649a496d4cf38415a4021c || >=400c40cf78da00c16e561a3a253ca272455c42ef <e4c4a5074532eaaa14951994a3aad0d479aa7431 || >=400c40cf78da00c16e561a3a253ca272455c42ef <265ac26d1c5e17b34d497cbda1f754a1ec8552bc || >=400c40cf78da00c16e561a3a253ca272455c42ef <a1c5672faf8e93e38c2deac3979cc767ca5cf918 || >=400c40cf78da00c16e561a3a253ca272455c42ef <97948906dc8e0ea84775e03e35b60a2063c70193 || >=400c40cf78da00c16e561a3a253ca272455c42ef <0b3a57d218618cb1cc78ddc9ba02c07de84b46f4 || >=400c40cf78da00c16e561a3a253ca272455c42ef <e4c06479d7059888adf2f22bc1ebcf053bf691a2 | f8a5203596797f394ff3f9aa4005597a92249802, a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d, a4fe4eb580bbc7439f649a496d4cf38415a4021c, e4c4a5074532eaaa14951994a3aad0d479aa7431, 265ac26d1c5e17b34d497cbda1f754a1ec8552bc, a1c5672faf8e93e38c2deac3979cc767ca5cf918, 97948906dc8e0ea84775e03e35b60a2063c70193, 0b3a57d218618cb1cc78ddc9ba02c07de84b46f4, e4c06479d7059888adf2f22bc1ebcf053bf691a2 |
| Linux/Linuxgeneric | 4.1 | Not reported |
Published upstream
Jun 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 24, 2026
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.
Quoted source text, attributed separately from HOL analysis.