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oraclelinuxOracleLinuxELSA-2023-4819
HistoryAug 31, 2023 - 12:00 a.m.

kernel security and bug fix update

2023-08-3100:00:00
linux.oracle.com
18

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

21.4%

[3.10.0-1160.99.1.0.1.OL7]

  • debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499}
    [3.10.0-1160.99.1.OL7]
  • Update Oracle Linux certificates (Ilya Okomin)
  • Oracle Linux RHCK Module Signing Key was compiled into kernel (olkmod_signing_key.x509)([email protected])
  • 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]
  • 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]
  • 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]
  • 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]
  • 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]

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

21.4%