Answer in brief
CVE-2026-63824 records a Unknown severity vulnerability in KEYS: fix overflow in keyctl_pkey_params_get_2(). The current sources do not mark it as known exploited. The current feed maps 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.
Answer in brief
CVE-2026-63824 records a Unknown severity vulnerability in KEYS: fix overflow in keyctl_pkey_params_get_2(). The current sources do not mark it as known exploited. The current feed maps 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.
A CVSS score is not reported in the current record. 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 Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=00d60fd3b93219ea854220f0fd264b86398cbc53 <622ec2dcd59f21623f2a7ab773c80ceb7d555e3a || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <b1e247338bc71826a2d2def3e0874c34749df69a || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3 || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <5966e4e2ba213ab7ad559166152eb4f1f170dd2c || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <5165f1cc727f1322456735df212d8e26ec237a8d || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <b11c1fa32667692a2c0566e10163758e786e430c || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <670fc6a311ed321522b7fff92cf0fc376b4f6e78 || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b | 622ec2dcd59f21623f2a7ab773c80ceb7d555e3a, b1e247338bc71826a2d2def3e0874c34749df69a, 0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3, 5966e4e2ba213ab7ad559166152eb4f1f170dd2c, 5165f1cc727f1322456735df212d8e26ec237a8d, b11c1fa32667692a2c0566e10163758e786e430c, 670fc6a311ed321522b7fff92cf0fc376b4f6e78, cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b |
| Linux/Linuxgeneric | 4.20 | Not reported |
Published upstream
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. 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 Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=00d60fd3b93219ea854220f0fd264b86398cbc53 <622ec2dcd59f21623f2a7ab773c80ceb7d555e3a || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <b1e247338bc71826a2d2def3e0874c34749df69a || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3 || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <5966e4e2ba213ab7ad559166152eb4f1f170dd2c || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <5165f1cc727f1322456735df212d8e26ec237a8d || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <b11c1fa32667692a2c0566e10163758e786e430c || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <670fc6a311ed321522b7fff92cf0fc376b4f6e78 || >=00d60fd3b93219ea854220f0fd264b86398cbc53 <cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b | 622ec2dcd59f21623f2a7ab773c80ceb7d555e3a, b1e247338bc71826a2d2def3e0874c34749df69a, 0f3058d7d26f81df9b68a18ddbe164bdc3c5eff3, 5966e4e2ba213ab7ad559166152eb4f1f170dd2c, 5165f1cc727f1322456735df212d8e26ec237a8d, b11c1fa32667692a2c0566e10163758e786e430c, 670fc6a311ed321522b7fff92cf0fc376b4f6e78, cb481e59ea6cae3b7796ac1d7a22b6b24c3f3c0b |
| Linux/Linuxgeneric | 4.20 | Not reported |
Published upstream
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in keyctl_pkey_params_get_2() The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size.
Quoted source text, attributed separately from HOL analysis.