Red Hat Security Advisory: libreswan security and bug fix update
A vulnerability in libreswan, an implementation of IPsec and IKE for Linux, can cause the application to crash if a PreSharedKey is missing for a connection. This issue is tracked as CVE-2024-2357 and has been rated with moderate severity by Red Hat. The vulnerability affects various Red Hat Enterprise Linux 8.6 and 9.x versions. Updates addressing this issue have been released by Red Hat.
AI Analysis
Technical Summary
CVE-2024-2357 is a vulnerability in libreswan where the absence of a PreSharedKey for a connection can cause the libreswan process to crash. Libreswan provides IPsec and IKE implementations for Linux to enable secure VPN tunnels. The issue is classified under CWE-400 (Uncontrolled Resource Consumption), indicating a potential denial of service via crash. Red Hat has issued security advisories RHSA-2024:2082 and RHSA-2024:2565 providing updated libreswan packages for Red Hat Enterprise Linux 8.6 and 9.x respectively to fix this flaw.
Potential Impact
The vulnerability can cause the libreswan service to crash when a PreSharedKey is missing for a connection. This results in a denial of service condition affecting VPN tunnels relying on libreswan. No known exploits are reported in the wild. The impact is limited to service disruption rather than unauthorized access or data compromise.
Mitigation Recommendations
Red Hat has released official security updates for libreswan in Red Hat Enterprise Linux 8.6 and 9.x to address CVE-2024-2357. Users should apply these updates promptly following Red Hat's published guidance at https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying the official patches.
Red Hat Security Advisory: libreswan security and bug fix update
Description
A vulnerability in libreswan, an implementation of IPsec and IKE for Linux, can cause the application to crash if a PreSharedKey is missing for a connection. This issue is tracked as CVE-2024-2357 and has been rated with moderate severity by Red Hat. The vulnerability affects various Red Hat Enterprise Linux 8.6 and 9.x versions. Updates addressing this issue have been released by Red Hat.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-2357 is a vulnerability in libreswan where the absence of a PreSharedKey for a connection can cause the libreswan process to crash. Libreswan provides IPsec and IKE implementations for Linux to enable secure VPN tunnels. The issue is classified under CWE-400 (Uncontrolled Resource Consumption), indicating a potential denial of service via crash. Red Hat has issued security advisories RHSA-2024:2082 and RHSA-2024:2565 providing updated libreswan packages for Red Hat Enterprise Linux 8.6 and 9.x respectively to fix this flaw.
Potential Impact
The vulnerability can cause the libreswan service to crash when a PreSharedKey is missing for a connection. This results in a denial of service condition affecting VPN tunnels relying on libreswan. No known exploits are reported in the wild. The impact is limited to service disruption rather than unauthorized access or data compromise.
Mitigation Recommendations
Red Hat has released official security updates for libreswan in Red Hat Enterprise Linux 8.6 and 9.x to address CVE-2024-2357. Users should apply these updates promptly following Red Hat's published guidance at https://access.redhat.com/articles/11258. No additional mitigation is required beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:2082
- Cve Count
- 1
Threat ID: 6a8effefacd9273b49089cd7
Added to database: 08/26/2026, 15:02:07 UTC
Last enriched: 09/10/2026, 10:54:17 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 14
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