Oracle Linux Security Advisory ELSA-2023-4819

https://linux.oracle.com/errata/ELSA-2023-4819.html

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

x86_64:
bpftool-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-abi-whitelists-3.10.0-1160.99.1.0.1.el7.noarch.rpm
kernel-debug-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-doc-3.10.0-1160.99.1.0.1.el7.noarch.rpm
kernel-headers-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
perf-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
python-perf-3.10.0-1160.99.1.0.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm


SRPMS:
https://oss.oracle.com:443/ol7/SRPMS-updates//kernel-3.10.0-1160.99.1.0.1.el7.src.rpm

Related CVEs:

CVE-2023-20593
CVE-2023-35788




Description of changes:

[3.10.0-1160.99.1.0.1.el7.OL7]
- debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499}

[3.10.0-1160.99.1.el7.OL7]
- Update Oracle Linux certificates (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was compiled into kernel (olkmod_signing_key.x509)(alexey.petrenko@oracle.com)
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-2.0.9]
- Update oracle(kernel-sig-key) value to match new certificate (Ilya Okomin)

[3.10.0-1160.99.1.el7]
- x86/cpu/amd: Add a Zenbleed fix (Waiman Long) [2226841] {CVE-2023-20593}
- x86/cpu/amd: Move the errata checking functionality up (Waiman Long) [2226841] {CVE-2023-20593}
- x86/cpu: Restore AMD's DE_CFG MSR after resume (Waiman Long) [2226841] {CVE-2023-20593}

[3.10.0-1160.98.1.el7]
- GFS2: gfs2_dir_get_hash_table(): avoiding deferred vfree() is easy here... (Andrew Price) [2190450]
- GFS2: use kvfree() instead of open-coding it (Andrew Price) [2190450]

[3.10.0-1160.97.1.el7]
- net/sched: flower: fix possible OOB write in fl_set_geneve_opt() (Davide Caratti) [2216982] {CVE-2023-35788}
- netfilter: conntrack: re-fetch conntrack after insertion (Florian Westphal) [2188190]
- netfilter: conntrack: handle tcp challenge acks during connection reuse (Florian Westphal) [2128262]
- netfilter: conntrack: reduce timeout when receiving out-of-window fin or rst (Florian Westphal) [2128262]
- netfilter: conntrack: remove unneeded indent level (Florian Westphal) [2128262]
- netfilter: conntrack: ignore overly delayed tcp packets (Florian Westphal) [2128262]
- netfilter: conntrack: prepare tcp_in_window for ternary return value (Florian Westphal) [2128262]
- netfilter: conntrack: connection timeout after re-register (Florian Westphal) [2128262]
- netfilter: conntrack: always store window size un-scaled (Florian Westphal) [2128262]
- netfilter: conntrack: work around exceeded receive window (Florian Westphal) [2128262]
- netfilter: conntrack: avoid misleading 'invalid' in log message (Florian Westphal) [2128262]
- netfilter: remove BUG_ON() after skb_header_pointer() (Florian Westphal) [2128262]
- netfilter: nf_conntrack_tcp: re-init for syn packets only (Florian Westphal) [2128262]
- netfilter: nf_conntrack_tcp: preserve liberal flag in tcp options (Florian Westphal) [2128262]
- netfilter: conntrack: re-init state for retransmitted syn-ack (Florian Westphal) [2128262]
- netfilter: conntrack: move synack init code to helper (Florian Westphal) [2128262]
- netfilter: conntrack: do not renew entry stuck in tcp SYN_SENT state (Florian Westphal) [2128262]
- netfilter: nf_conntrack_tcp: Fix stack out of bounds when parsing TCP options (Florian Westphal) [2128262]

[3.10.0-1160.96.1.el7]
- sched/fair: Eliminate bandwidth race between throttling and distribution (Phil Auld) [2180681]
- sched/fair: Fix race between runtime distribution and assignment (Phil Auld) [2180681]
- sched/fair: Don't assign runtime for throttled cfs_rq (Phil Auld) [2180681]


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Oracle7: ELSA-2023-4819: kernel Important Security Update

The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:

Summary

[3.10.0-1160.99.1.0.1.el7.OL7] - debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499} [3.10.0-1160.99.1.el7.OL7] - Update Oracle Linux certificates (Ilya Okomin) - Oracle Linux RHCK Module Signing Key was compiled into kernel (olkmod_signing_key.x509)(alexey.petrenko@oracle.com) - Update x509.genkey [Orabug: 24817676] - Conflict with shim-ia32 and shim-x64 <= 15-2.0.9] - Update oracle(kernel-sig-key) value to match new certificate (Ilya Okomin) [3.10.0-1160.99.1.el7] - x86/cpu/amd: Add a Zenbleed fix (Waiman Long) [2226841] {CVE-2023-20593} - x86/cpu/amd: Move the errata checking functionality up (Waiman Long) [2226841] {CVE-2023-20593} - x86/cpu: Restore AMD's DE_CFG MSR after resume (Waiman Long) [2226841] {CVE-2023-20593} [3.10.0-1160.98.1.el7] - GFS2: gfs2_dir_get_hash_table(): avoiding deferred vfree() is easy here... (Andrew Price) [2190450] - GFS2: use kvfree() instead of open-coding it (Andrew Price) [2190450] [3.10.0-1160.97.1.el7] - net/sched: flower: fix possible OOB write in fl_set_geneve_opt() (Davide Caratti) [2216982] {CVE-2023-35788} - netfilter: conntrack: re-fetch conntrack after insertion (Florian Westphal) [2188190] - netfilter: conntrack: handle tcp challenge acks during connection reuse (Florian Westphal) [2128262] - netfilter: conntrack: reduce timeout when receiving out-of-window fin or rst (Florian Westphal) [2128262] - netfilter: conntrack: remove unneeded indent level (Florian Westphal) [2128262] - netfilter: conntrack: ignore overly delayed tcp packets (Florian Westphal) [2128262] - netfilter: conntrack: prepare tcp_in_window for ternary return value (Florian Westphal) [2128262] - netfilter: conntrack: connection timeout after re-register (Florian Westphal) [2128262] - netfilter: conntrack: always store window size un-scaled (Florian Westphal) [2128262] - netfilter: conntrack: work around exceeded receive window (Florian Westphal) [2128262] - netfilter: conntrack: avoid misleading 'invalid' in log message (Florian Westphal) [2128262] - netfilter: remove BUG_ON() after skb_header_pointer() (Florian Westphal) [2128262] - netfilter: nf_conntrack_tcp: re-init for syn packets only (Florian Westphal) [2128262] - netfilter: nf_conntrack_tcp: preserve liberal flag in tcp options (Florian Westphal) [2128262] - netfilter: conntrack: re-init state for retransmitted syn-ack (Florian Westphal) [2128262] - netfilter: conntrack: move synack init code to helper (Florian Westphal) [2128262] - netfilter: conntrack: do not renew entry stuck in tcp SYN_SENT state (Florian Westphal) [2128262] - netfilter: nf_conntrack_tcp: Fix stack out of bounds when parsing TCP options (Florian Westphal) [2128262] [3.10.0-1160.96.1.el7] - sched/fair: Eliminate bandwidth race between throttling and distribution (Phil Auld) [2180681] - sched/fair: Fix race between runtime distribution and assignment (Phil Auld) [2180681] - sched/fair: Don't assign runtime for throttled cfs_rq (Phil Auld) [2180681]

SRPMs

https://oss.oracle.com:443/ol7/SRPMS-updates//kernel-3.10.0-1160.99.1.0.1.el7.src.rpm

x86_64

bpftool-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-abi-whitelists-3.10.0-1160.99.1.0.1.el7.noarch.rpm kernel-debug-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-doc-3.10.0-1160.99.1.0.1.el7.noarch.rpm kernel-headers-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-tools-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1160.99.1.0.1.el7.x86_64.rpm perf-3.10.0-1160.99.1.0.1.el7.x86_64.rpm python-perf-3.10.0-1160.99.1.0.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1160.99.1.0.1.el7.x86_64.rpm

aarch64

i386

Severity
Related CVEs: CVE-2023-20593 CVE-2023-35788

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