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Red Hat Product Errata RHSA-2023:4021 - Security Advisory
Issued:
2023-07-11
Updated:
2023-07-11

RHSA-2023:4021 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security and bug fix update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced 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.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)

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.

Bug Fix(es):

  • The iscsi target deadlocks when the same host acts as an initiator to itself (i.e. connects via 127.0.0.1) (BZ#2183541)
  • Double free issue in filelayout_alloc_commit_info (BZ#2212878)
  • RHEL 7.2: XFS inode cluster corruption [rhel-7.9.z] (BZ#2213361)

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

The system must be rebooted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64

Fixes

  • BZ - 2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

CVEs

  • CVE-2022-3564

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 7.6

SRPM
kernel-3.10.0-957.104.1.el7.src.rpm SHA-256: ac35f225d8d7b354451b06db4285e0cb12bfb7474f6c1b35da5316c200b9d7cb
x86_64
bpftool-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: bfcf6b9f5d8a83c323a1e1625b6b8e72648259eec0a9830409b4713426234198
kernel-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 9352285fd0a6ed638ab25151043b159bb3182210b5d02b50d11020f260057d82
kernel-abi-whitelists-3.10.0-957.104.1.el7.noarch.rpm SHA-256: 4756d6e940911fa5c792bec7fdfba2e6e1ecc08d2843fed7796be1b763128240
kernel-debug-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: ea88d6f0e2b3c6df809fb6f665b02ef43b62ceeaf08f1de590ea593c3b929c0e
kernel-debug-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: cfb1646f95430609285cca32b24c3cf6e0a68e9822b413cbdc4dd27b1d96c2ce
kernel-debug-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: cfb1646f95430609285cca32b24c3cf6e0a68e9822b413cbdc4dd27b1d96c2ce
kernel-debug-devel-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 3f6a6ef7139ebcf09a6cb32cb1ef74a27ed4e0cf9e8b62c684198080d32b4fe4
kernel-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 763150ddb96f7c2c895170808e2f156a1abfb0a52b22e7d2221c4b7205852e37
kernel-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 763150ddb96f7c2c895170808e2f156a1abfb0a52b22e7d2221c4b7205852e37
kernel-debuginfo-common-x86_64-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: a2544d3763baa0ea11b7adbe654f08a612d16a04aaa91bb105f9ae88fcc6a1e2
kernel-debuginfo-common-x86_64-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: a2544d3763baa0ea11b7adbe654f08a612d16a04aaa91bb105f9ae88fcc6a1e2
kernel-devel-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 301b52b0511590705340819adaa7919cad7daa570f41f410bb5dc3acf06f5cf4
kernel-doc-3.10.0-957.104.1.el7.noarch.rpm SHA-256: 04d5c5e269799d0a55314b79e42ffcf5383ea00207a1b09ecbb8bdd390739ed2
kernel-headers-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: cdf7cd038e4d1881935752c63bec0d084ee3fb090d00d40d58f4c18e255d2134
kernel-tools-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: f9da992a0763e4ba3f9702eec5ad92c9e1a3c18552b6c15adfa17be437c8c73e
kernel-tools-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 0974496dec09ffe2fcb8ce54ee2b6d36a1d41ce8bd1c5f378e66b712a9130012
kernel-tools-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 0974496dec09ffe2fcb8ce54ee2b6d36a1d41ce8bd1c5f378e66b712a9130012
kernel-tools-libs-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: a56ff6301cfbf6f8f0f13aca2216f61c7baef6cf75840c798e1f1220b8731c45
kernel-tools-libs-devel-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 9718b5d99e7e09f1582d5b0afd6210f3be70c9e7950637ce9bfb7d79d314cda1
perf-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: af1a393e767d547ec69986a578981b3d2a33beef4c224e8c5b2f3028dbab502d
perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: a0750af462a269f04679892a9fab33d646bfa619bfc4b3281cee02505c9a3e9a
perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: a0750af462a269f04679892a9fab33d646bfa619bfc4b3281cee02505c9a3e9a
python-perf-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: f21a2a92e0687b8dcb01785492499984ae5a2eb0b0f4b9ab1f394b6b8e81ba67
python-perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 0451f01197bd7a5a674106d9a9c81ae9b9f6a019614f298e0b7a638d9009d461
python-perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm SHA-256: 0451f01197bd7a5a674106d9a9c81ae9b9f6a019614f298e0b7a638d9009d461

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

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