-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2023:5221-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:5221 Issue date: 2023-09-19 CVE Names: CVE-2023-3090 CVE-2023-3390 CVE-2023-3776 CVE-2023-4004 CVE-2023-35001 CVE-2023-35788 ==================================================================== 1. Summary: 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 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 (v. 8) - 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: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090) * kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776) * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004) * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) * 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/): 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() 2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb 2220892 - CVE-2023-35001 kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() 2225097 - CVE-2023-3776 kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function 2225275 - CVE-2023-4004 kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kpatch-patch-4_18_0-477_10_1-1-3.el8_8.src.rpm kpatch-patch-4_18_0-477_13_1-1-2.el8_8.src.rpm kpatch-patch-4_18_0-477_15_1-1-2.el8_8.src.rpm kpatch-patch-4_18_0-477_21_1-1-1.el8_8.src.rpm ppc64le: kpatch-patch-4_18_0-477_10_1-1-3.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_10_1-debuginfo-1-3.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_10_1-debugsource-1-3.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_13_1-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_13_1-debuginfo-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_13_1-debugsource-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_15_1-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_15_1-debuginfo-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_15_1-debugsource-1-2.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_21_1-1-1.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_21_1-debuginfo-1-1.el8_8.ppc64le.rpm kpatch-patch-4_18_0-477_21_1-debugsource-1-1.el8_8.ppc64le.rpm x86_64: kpatch-patch-4_18_0-477_10_1-1-3.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_10_1-debuginfo-1-3.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_10_1-debugsource-1-3.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_13_1-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_13_1-debuginfo-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_13_1-debugsource-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_15_1-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_15_1-debuginfo-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_15_1-debugsource-1-2.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_21_1-1-1.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_21_1-debuginfo-1-1.el8_8.x86_64.rpm kpatch-patch-4_18_0-477_21_1-debugsource-1-1.el8_8.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-2023-3090 https://access.redhat.com/security/cve/CVE-2023-3390 https://access.redhat.com/security/cve/CVE-2023-3776 https://access.redhat.com/security/cve/CVE-2023-4004 https://access.redhat.com/security/cve/CVE-2023-35001 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 iQIcBAEBCAAGBQJlCWl2AAoJENzjgjWX9erEyWIP/j/w6erYObS17Up85yOOdVXs 9j206uFEr6ZqRotRCiz1BB6lQoLNrECkFTvqSpTua4fdJYSB9hWFmZ8yU94DFxsK QuwA52mIZ3fvSk/7j7i/z+tS0lCKSMuenI1WZJisg0ReFvR3zwvSDCn0GJs0lTQ9 IH5zWuq8tQ3e3LhROWVvWaNYGP1NfKxv2WroOgQhVdlviC1nGoSHKnEJzOiug0cX 6ljKadl8cwMIrrIzgrw2E+4f+dXU0QsxwyVvTE7ocGoa0mVSbg3kJIMbfiLG7LW3 8Rv6sh/9290Ruez1DwLj+dip1EX1weoJ3sFhIAf17u1bPmP+7+LgHqU9QPrcEmHr cz92gDqYd99sCoc8dtgnd/V0gcUlqN5+0uW1c7ENyAHXf7COlrhQ+0iw6PxFMXZR ymvfwLf92bu285SwFAYXyKmBw1ShyaAGopAoba5PdAPuK1L1U64Gn8OFqTp4/Ltc neqNDodptNlwFjrPFxEPrAeC3Jiv6qPebKORNn5+W9sbAIODVFt/mJG3ultxNbfu 1JylE9hm5AEUssADGSjNcxeiPauWJyCRHyqfsAQgJmvBj2/Fi/4WEmpw/TlE08rV kZcFZNi+3tNZylXHu8LN1DK2w8J/efF/RaQ3t3rXWmvlKlsKGHh3e3wHzpzi7Dv1 k1AQt8djDJAVR3LU63wO =7hwX -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce