RedHat: RHSA-2023-1659:01 Important: kpatch-patch security update
Summary
This is a kernel live patch module which is automatically loaded by the RPM
post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces
(CVE-2022-4378)
* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
(CVE-2023-0266)
* kernel: FUSE filesystem low-privileged user privileges escalation
(CVE-2023-0386)
* kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 (CVE-2023-1476)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/cve/CVE-2023-0386 https://access.redhat.com/security/cve/CVE-2023-1476 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
kpatch-patch-4_18_0-425_10_1-1-4.el8_7.src.rpm
kpatch-patch-4_18_0-425_13_1-1-2.el8_7.src.rpm
kpatch-patch-4_18_0-425_3_1-1-6.el8.src.rpm
ppc64le:
kpatch-patch-4_18_0-425_10_1-1-4.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_10_1-debuginfo-1-4.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_10_1-debugsource-1-4.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_13_1-1-2.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_13_1-debuginfo-1-2.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_13_1-debugsource-1-2.el8_7.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-1-6.el8.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-debuginfo-1-6.el8.ppc64le.rpm
kpatch-patch-4_18_0-425_3_1-debugsource-1-6.el8.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-425_10_1-1-4.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_10_1-debuginfo-1-4.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_10_1-debugsource-1-4.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_13_1-1-2.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_13_1-debuginfo-1-2.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_13_1-debugsource-1-2.el8_7.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-1-6.el8.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-debuginfo-1-6.el8.x86_64.rpm
kpatch-patch-4_18_0-425_3_1-debugsource-1-6.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux BaseOS (v. 8) - ppc64le, x86_64
Bugs Fixed
2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces
2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
2176035 - CVE-2023-1476 kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222