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redhatRedHatRHSA-2024:2006
HistoryApr 23, 2024 - 4:20 p.m.

(RHSA-2024:2006) Important: kernel security and bug fix update

2024-04-2316:20:09
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11
kernel packages
linux operating system
security fixes
cve-2023-1192
cve-2023-4459
cve-2023-3812
cve-2023-7192
cve-2024-26586
cve-2021-46915
cve-2024-26602
jira bug fixes
vmxnet3
tun
refcount leak
netfilter
mlxsw spectrum_acl_tcam
sys_membarrier
bug fix update

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

7 High

AI Score

Confidence

High

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

18.0%

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

Security Fix(es):

  • kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

  • kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (CVE-2023-4459)

  • kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

  • kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

  • kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)

  • kernel: netfilter: divide error in nft_limit_init (CVE-2021-46915)

  • kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)

Bug Fix(es):

  • kernel: use-after-free in smb2_is_status_io_timeout() (JIRA:RHEL-15155)

  • kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (JIRA:RHEL-9225)

  • kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (JIRA:RHEL-18083)

  • dm multipath device suspend deadlocks waiting on a flush request (JIRA:RHEL-19107)

  • kernel NULL pointer at RIP: 0010:kyber_has_work+0x1c/0x60 (JIRA:RHEL-21781)

  • rbd: don’t move requests to the running list on errors [8.x] (JIRA:RHEL-24200)

  • TRIAGE CVE-2021-46915 kernel: netfilter: divide error in nft_limit_init (JIRA:RHEL-28178)

  • kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20295)

  • kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (JIRA:RHEL-26385)

  • kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29180)

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

7 High

AI Score

Confidence

High

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

18.0%