概述
Important: kpatch-patch security update
类型/严重性
Security Advisory: Important
标题
An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.2 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.
描述
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: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
- kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
- kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)
- kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)
- kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
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.
受影响的产品
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64
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Red Hat Enterprise Linux Server - AUS 9.2 x86_64
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Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
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Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
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Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
修复
-
BZ - 2226783
- CVE-2023-39191 kernel: eBPF: insufficient stack type checks in dynptr
-
BZ - 2237757
- CVE-2023-4623 kernel: net/sched: sch_hfsc UAF
-
BZ - 2237760
- CVE-2023-4622 kernel: use after free in unix_stream_sendpage
-
BZ - 2240249
- CVE-2023-2163 kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe
-
BZ - 2244723
- CVE-2023-45871 kernel: IGB driver inadequate buffer size for frames larger than MTU