RHSA-2021:2570
Vulnerability Summary
Timeline
Description
Red Hat Security Advisory: kernel 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•bpftool
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•bpftool-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-abi-stablelists
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-core
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-cross-headers
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug-core
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug-devel
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug-modules
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debug-modules-extra
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debuginfo-common-aarch64
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debuginfo-common-ppc64le
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debuginfo-common-s390x
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-debuginfo-common-x86_64
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-devel
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-doc
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-modules
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-modules-extra
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-tools
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-tools-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-tools-libs
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-tools-libs-devel
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump-core
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump-devel
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump-modules
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•kernel-zfcpdump-modules-extra
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•perf
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•perf-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•python3-perf
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
- redhat•python3-perf-debuginfo
< 0:4.18.0-305.7.1.el8_4 | < 0:4.18.0-305.7.1.el8_4
References (14)
- https://access.redhat.com/errata/RHSA-2021:2570
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=1886285
- https://bugzilla.redhat.com/show_bug.cgi?id=1961305
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2570.json
- https://access.redhat.com/security/cve/CVE-2020-26541
- https://www.cve.org/CVERecord?id=CVE-2020-26541
- https://nvd.nist.gov/vuln/detail/CVE-2020-26541
- 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