Red Hat Security Advisory: kernel security update
A moderate severity vulnerability (CVE-2024-56690) affects the Linux kernel in Red Hat Enterprise Linux 9.6 Extended Update Support. The issue involves the crypto subsystem where the crypto layer is not called directly when padata_do_parallel() returns -EBUSY, potentially leading to improper handling in the kernel's cryptographic operations. Red Hat has released a security update addressing this issue. Systems must be rebooted after applying the update for the fix to take effect.
AI Analysis
Technical Summary
CVE-2024-56690 is a vulnerability in the Linux kernel's crypto subsystem affecting Red Hat Enterprise Linux 9.6 Extended Update Support. The flaw occurs because the kernel's crypto layer is not called directly when the function padata_do_parallel() returns the error code -EBUSY, which may cause improper cryptographic processing. Red Hat has issued a security advisory (RHSA-2025:21563) with an update that fixes this issue by ensuring the crypto layer is called directly in this scenario. The update requires a system reboot to become effective.
Potential Impact
The vulnerability impacts the core Linux kernel cryptographic operations on affected Red Hat Enterprise Linux 9.6 Extended Update Support systems. While the exact exploitation impact is not detailed, the issue is rated as moderate severity by Red Hat Product Security. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for Red Hat Enterprise Linux 9.6 Extended Update Support that addresses CVE-2024-56690. Users should apply the kernel update provided in advisory RHSA-2025:21563 and reboot their systems to ensure the fix is applied. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: kernel security update
Description
A moderate severity vulnerability (CVE-2024-56690) affects the Linux kernel in Red Hat Enterprise Linux 9.6 Extended Update Support. The issue involves the crypto subsystem where the crypto layer is not called directly when padata_do_parallel() returns -EBUSY, potentially leading to improper handling in the kernel's cryptographic operations. Red Hat has released a security update addressing this issue. Systems must be rebooted after applying the update for the fix to take effect.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-56690 is a vulnerability in the Linux kernel's crypto subsystem affecting Red Hat Enterprise Linux 9.6 Extended Update Support. The flaw occurs because the kernel's crypto layer is not called directly when the function padata_do_parallel() returns the error code -EBUSY, which may cause improper cryptographic processing. Red Hat has issued a security advisory (RHSA-2025:21563) with an update that fixes this issue by ensuring the crypto layer is called directly in this scenario. The update requires a system reboot to become effective.
Potential Impact
The vulnerability impacts the core Linux kernel cryptographic operations on affected Red Hat Enterprise Linux 9.6 Extended Update Support systems. While the exact exploitation impact is not detailed, the issue is rated as moderate severity by Red Hat Product Security. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for Red Hat Enterprise Linux 9.6 Extended Update Support that addresses CVE-2024-56690. Users should apply the kernel update provided in advisory RHSA-2025:21563 and reboot their systems to ensure the fix is applied. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:21563
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1dc4853345fc1829dc7
Added to database: 06/25/2026, 21:47:08 UTC
Last enriched: 06/25/2026, 22:22:06 UTC
Last updated: 07/02/2026, 17:51:10 UTC
Views: 12
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.