Important: kernel security, bug fix, and enhancement update

2023-08-0100:00:00

Google

osv.dev

kernel

security

bug fix

enhancement

update

linux

ipvlan

cls_flower

kvm

spectre

out-of-bounds write

race condition

speculative pointer dereference

CVSS3

7.8

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

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

28.7%

JSON

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

Security Fix(es):

kernel: ipvlan: out-of-bounds write caused by unclear skb->cb (CVE-2023-3090)
kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)
kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)
kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)
kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)

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.