RHSA-2021:2726
Advisory lineage Upstream: 5 Downstream: 0
Published: 13 Sept 2024, 22:14
Last modified:20 Feb 2026, 10:03
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
13 Sept 2024, 22:14
Published
Vulnerability first disclosed
20 Feb 2026, 10:03
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: kernel-rt security and bug fix update
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- redhat•kernel-rt
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debug
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debug-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debug-devel
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debug-kvm
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debug-kvm-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-debuginfo-common-x86_64
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-devel
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-doc
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-kvm
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-kvm-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-trace
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-trace-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-trace-devel
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-trace-kvm
< 0:3.10.0-1160.36.2.rt56.1179.el7
- redhat•kernel-rt-trace-kvm-debuginfo
< 0:3.10.0-1160.36.2.rt56.1179.el7
References (30)
- https://access.redhat.com/errata/RHSA-2021:2726
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
- https://bugzilla.redhat.com/show_bug.cgi?id=1824792
- https://bugzilla.redhat.com/show_bug.cgi?id=1902788
- https://bugzilla.redhat.com/show_bug.cgi?id=1961300
- https://bugzilla.redhat.com/show_bug.cgi?id=1961305
- https://bugzilla.redhat.com/show_bug.cgi?id=1970273
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2726.json
- https://access.redhat.com/security/cve/CVE-2019-20934
- https://www.cve.org/CVERecord?id=CVE-2019-20934
- https://nvd.nist.gov/vuln/detail/CVE-2019-20934
- https://access.redhat.com/security/cve/CVE-2020-11668
- https://www.cve.org/CVERecord?id=CVE-2020-11668
- https://nvd.nist.gov/vuln/detail/CVE-2020-11668
- https://access.redhat.com/security/cve/CVE-2021-33033
- https://www.cve.org/CVERecord?id=CVE-2021-33033
- https://nvd.nist.gov/vuln/detail/CVE-2021-33033
- https://access.redhat.com/security/cve/CVE-2021-33034
- https://www.cve.org/CVERecord?id=CVE-2021-33034
- https://nvd.nist.gov/vuln/detail/CVE-2021-33034
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl
- https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1
- https://access.redhat.com/security/cve/CVE-2021-33909
- https://www.cve.org/CVERecord?id=CVE-2021-33909
- https://nvd.nist.gov/vuln/detail/CVE-2021-33909
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
- https://www.openwall.com/lists/oss-security/2021/07/20/1
- https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt