High severity8.1NVD Advisory· Published Jul 1, 2024· Updated May 12, 2026
CVE-2024-6387
CVE-2024-6387
Description
A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
79- www.openwall.com/lists/oss-security/2024/07/03/3nvdMailing ListPatch
- github.com/openela-main/openssh/commit/e1f438970e5a337a17070a637c1b9e19697cad09nvdPatch
- lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041431.htmlnvdMailing ListPatch
- news.ycombinator.com/itemnvdIssue TrackingPatch
- www.openwall.com/lists/oss-security/2024/07/03/11nvdExploitMailing List
- www.openwall.com/lists/oss-security/2024/07/04/2nvdExploitMailing List
- www.openwall.com/lists/oss-security/2024/07/08/2nvdExploitMailing List
- www.openwall.com/lists/oss-security/2024/07/09/5nvdExploitMailing List
- www.openwall.com/lists/oss-security/2024/07/10/1nvdExploitMailing List
- santandersecurityresearch.github.io/blog/sshing_the_masses.htmlnvdExploitThird Party Advisory
- www.exploit-db.com/exploits/52269nvdExploit
- www.qualys.com/2024/07/01/cve-2024-6387/regresshion.txtnvdExploitThird Party Advisory
- www.vicarius.io/vsociety/posts/regresshion-an-openssh-regression-error-cve-2024-6387nvdExploitThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4312nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4340nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4389nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4469nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4474nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4479nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2024:4484nvdThird Party Advisory
- access.redhat.com/security/cve/CVE-2024-6387nvdThird Party Advisory
- archlinux.org/news/the-sshd-service-needs-to-be-restarted-after-upgrading-to-openssh-98p1/nvdThird Party Advisory
- arstechnica.com/security/2024/07/regresshion-vulnerability-in-openssh-gives-attackers-root-on-linux/nvdPress/Media CoverageThird Party Advisory
- blog.qualys.com/vulnerabilities-threat-research/2024/07/01/regresshion-remote-unauthenticated-code-execution-vulnerability-in-openssh-servernvdPress/Media CoverageThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdThird Party Advisory
- explore.alas.aws.amazon.com/CVE-2024-6387.htmlnvdThird Party Advisory
- lists.almalinux.org/archives/list/announce@lists.almalinux.org/thread/23BF5BMGFVEVUI2WNVAGMLKT557EU7VY/nvdThird Party Advisory
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0010nvdThird Party Advisory
- security-tracker.debian.org/tracker/CVE-2024-6387nvdThird Party Advisory
- security.netapp.com/advisory/ntap-20240701-0001/nvdThird Party Advisory
- sig-security.rocky.page/issues/CVE-2024-6387/nvdThird Party Advisory
- stackdiary.com/openssh-race-condition-in-sshd-allows-remote-code-execution/nvdPress/Media CoverageThird Party Advisory
- support.apple.com/kb/HT214118nvdThird Party Advisory
- support.apple.com/kb/HT214119nvdThird Party Advisory
- support.apple.com/kb/HT214120nvdThird Party Advisory
- ubuntu.com/security/CVE-2024-6387nvdThird Party Advisory
- ubuntu.com/security/notices/USN-6859-1nvdThird Party Advisory
- www.akamai.com/blog/security-research/2024-openssh-vulnerability-regression-what-to-know-and-donvdThird Party Advisory
- www.arista.com/en/support/advisories-notices/security-advisory/19904-security-advisory-0100nvdThird Party Advisory
- www.freebsd.org/security/advisories/FreeBSD-SA-24:04.openssh.ascnvdThird Party Advisory
- www.openssh.com/txt/release-9.8nvdRelease NotesThird Party Advisory
- www.splunk.com/en_us/blog/security/cve-2024-6387-regresshion-vulnerability.htmlnvdThird Party Advisory
- www.suse.com/security/cve/CVE-2024-6387.htmlnvdThird Party Advisory
- www.theregister.com/2024/07/01/regresshion_openssh/nvdPress/Media CoverageThird Party Advisory
- seclists.org/fulldisclosure/2024/Jul/18nvdMailing List
- seclists.org/fulldisclosure/2024/Jul/19nvdMailing List
- seclists.org/fulldisclosure/2024/Jul/20nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/01/12nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/01/13nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/02/1nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/03/1nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/03/2nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/03/4nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/03/5nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/04/1nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/08/3nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/09/2nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/10/2nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/10/3nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/10/4nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/10/6nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/11/1nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/11/3nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/23/4nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/23/6nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/28/2nvdMailing List
- www.openwall.com/lists/oss-security/2024/07/28/3nvdMailing List
- forum.vmssoftware.com/viewtopic.phpnvdIssue Tracking
- ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2024-002.txt.ascnvdRelease Notes
- github.com/AlmaLinux/updates/issues/629nvdIssue Tracking
- github.com/Azure/AKS/issues/4379nvdIssue Tracking
- github.com/PowerShell/Win32-OpenSSH/issues/2249nvdIssue Tracking
- github.com/microsoft/azurelinux/issues/9555nvdIssue Tracking
- github.com/oracle/oracle-linux/issues/149nvdIssue Tracking
- github.com/rapier1/hpn-ssh/issues/87nvdIssue Tracking
- lists.mindrot.org/pipermail/openssh-unix-announce/2024-July/000158.htmlnvdMailing ListRelease Notes
- packetstorm.news/files/id/190587/nvdBroken Link
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-446545.htmlnvd
News mentions
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