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CVE-2024-6409

A race condition vulnerability was discovered in how signals are handled by OpenSSH's server (sshd). If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are not async-signal-safe, for example, syslog(). As a consequence of a successful attack, in the worst case scenario, an attacker may be able to perform a remote code execution (RCE) as an unprivileged user running the sshd server.

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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Collection URLhttps://www.openssh.com/
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Package OpenSSH
Default Statusunaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 9
Default Statusaffected
Version < *
Version 0:8.7p1-38.el9_4.4
Status unaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 9
Default Statusaffected
Version < *
Version 0:8.7p1-38.el9_4.4
Status unaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default Statusaffected
Version < *
Version 0:8.7p1-12.el9_0.3
Status unaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 9.2 Extended Update Support
Default Statusaffected
Version < *
Version 0:8.7p1-30.el9_2.7
Status unaffected
VendorRed Hat
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Product Red Hat OpenShift Container Platform 4.13
Default Statusaffected
Version < *
Version 413.92.202408122222-0
Status unaffected
VendorRed Hat
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Product Red Hat OpenShift Container Platform 4.14
Default Statusaffected
Version < *
Version 414.92.202407300859-0
Status unaffected
VendorRed Hat
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Product Red Hat OpenShift Container Platform 4.15
Default Statusaffected
Version < *
Version 415.92.202407301159-0
Status unaffected
VendorRed Hat
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Product Red Hat OpenShift Container Platform 4.16
Default Statusaffected
Version < *
Version 416.94.202407171205-0
Status unaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 10
Default Statusunaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 6
Default Statusunaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 7
Default Statusunaffected
VendorRed Hat
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Product Red Hat Enterprise Linux 8
Default Statusunaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 78.16% 0.99
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
secalert@redhat.com 7 2.2 4.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE-364 Signal Handler Race Condition

The product uses a signal handler that introduces a race condition.