Exploit/Advisories no image

Published on September 1st, 2023 📆 | 2441 Views ⚑

0

Red Hat Security Advisory 2023-4888-01 – Torchsec


iSpeech.org

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
Red Hat Security Advisory

Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2023:4888-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4888
Issue date: 2023-08-30
CVE Names: CVE-2022-42896 CVE-2023-1829 CVE-2023-3390
CVE-2023-35788
=====================================================================

1. Summary:

An update for kpatch-patch is now available for Red Hat Enterprise Linux
8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS EUS (v.8.6) - ppc64le, x86_64

3. Description:

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: use-after-free in l2cap_connect and l2cap_le_connect_req in
net/bluetooth/l2cap_core.c (CVE-2022-42896)

* kernel: Use-after-free vulnerability in the Linux Kernel traffic control
index filter (CVE-2023-1829)

* kernel: UAF in nftables when nft_set_lookup_global triggered after
handling named and anonymous sets in batch requests (CVE-2023-3390)

* kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()
(CVE-2023-35788)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

2147364 - CVE-2022-42896 kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c
2188470 - CVE-2023-1829 kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter
2213260 - CVE-2023-3390 kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests
2215768 - CVE-2023-35788 kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.6):

Source:
kpatch-patch-4_18_0-372_41_1-1-7.el8_6.src.rpm
kpatch-patch-4_18_0-372_46_1-1-5.el8_6.src.rpm
kpatch-patch-4_18_0-372_51_1-1-4.el8_6.src.rpm
kpatch-patch-4_18_0-372_52_1-1-3.el8_6.src.rpm
kpatch-patch-4_18_0-372_57_1-1-2.el8_6.src.rpm
kpatch-patch-4_18_0-372_64_1-1-1.el8_6.src.rpm

ppc64le:
kpatch-patch-4_18_0-372_41_1-1-7.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_41_1-debuginfo-1-7.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_41_1-debugsource-1-7.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_46_1-1-5.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_46_1-debuginfo-1-5.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_46_1-debugsource-1-5.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_51_1-1-4.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_51_1-debuginfo-1-4.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_51_1-debugsource-1-4.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_52_1-1-3.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_52_1-debuginfo-1-3.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_52_1-debugsource-1-3.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_57_1-1-2.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_57_1-debuginfo-1-2.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_57_1-debugsource-1-2.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_64_1-1-1.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_64_1-debuginfo-1-1.el8_6.ppc64le.rpm
kpatch-patch-4_18_0-372_64_1-debugsource-1-1.el8_6.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-372_41_1-1-7.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_41_1-debuginfo-1-7.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_41_1-debugsource-1-7.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_46_1-1-5.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_46_1-debuginfo-1-5.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_46_1-debugsource-1-5.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_51_1-1-4.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_51_1-debuginfo-1-4.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_51_1-debugsource-1-4.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_52_1-1-3.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_52_1-debuginfo-1-3.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_52_1-debugsource-1-3.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_57_1-1-2.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_57_1-debuginfo-1-2.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_57_1-debugsource-1-2.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_64_1-1-1.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_64_1-debuginfo-1-1.el8_6.x86_64.rpm
kpatch-patch-4_18_0-372_64_1-debugsource-1-1.el8_6.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/

7. References:

https://access.redhat.com/security/cve/CVE-2022-42896
https://access.redhat.com/security/cve/CVE-2023-1829
https://access.redhat.com/security/cve/CVE-2023-3390
https://access.redhat.com/security/cve/CVE-2023-35788
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=VsxP
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Source link

Tagged with: โ€ข โ€ข โ€ข โ€ข



Comments are closed.