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ubuntucveUbuntu.comUB:CVE-2023-5345
HistoryOct 03, 2023 - 12:00 a.m.

CVE-2023-5345

2023-10-0300:00:00
ubuntu.com
ubuntu.com
27
linux kernel
use-after-free
smb/client
local privilege escalation
smb3_fs_context_parse_param
double free
upgrade
bugzilla
redhat
suse
launchpad
unix

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

EPSS

0

Percentile

5.1%

JSON

A use-after-free vulnerability in the Linux kernel’s fs/smb/client
component can be exploited to achieve local privilege escalation. In case
of an error in smb3_fs_context_parse_param, ctx->password was freed but the
field was not set to NULL which could lead to double free. We recommend
upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705.

Bugs

Notes

Author Note
Priority reason: Local privilege escalation
OSVersionArchitecturePackageVersionFilename
ubuntu23.04noarchlinux< 6.2.0-37.38UNKNOWN
ubuntu23.10noarchlinux< 6.5.0-13.13UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1016.16UNKNOWN
ubuntu23.10noarchlinux-aws< 6.5.0-1010.10UNKNOWN
ubuntu22.04noarchlinux-aws-6.2< 6.2.0-1016.16~22.04.1UNKNOWN
ubuntu22.04noarchlinux-aws-6.5< 6.5.0-1010.10~22.04.1UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1054.62UNKNOWN
ubuntu23.04noarchlinux-azure< 6.2.0-1017.17UNKNOWN
ubuntu23.10noarchlinux-azure< 6.5.0-1009.9UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1054.62~20.04.1UNKNOWN
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References

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CVE-2023-5345 affecting package hyperv-daemons for versions less than 5.15.135.1-1
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CVE-2023-5345 affecting package kernel for versions less than 5.15.135.1-2
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2023-10-03 03:15:00
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CVE-2023-5345 Use-after-free in Linux kernel's fs/smb/client component
2023-10-03 02:33:06
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CBL Mariner 2.0 Security Update: hyperv-daemons / kernel (CVE-2023-5345)
2023-11-10 00:00:00
RHEL 9 : kpatch-patch (RHSA-2023:7734)
2023-12-12 00:00:00
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(RHSA-2023:7734) Important: kpatch-patch security update
2023-12-12 10:40:02
(RHSA-2023:7749) Important: kernel security update
2023-12-12 16:41:49
(RHSA-2024:0271) Moderate: Logging Subsystem 5.8.2 - Red Hat OpenShift security update
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kernel security update
2023-12-14 00:00:00
kernel security update
2023-12-22 00:00:00
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Fedora: Security Advisory for kernel (FEDORA-2023-50bd7c9c12)
2023-10-11 00:00:00
Fedora: Security Advisory for kernel (FEDORA-2023-c3bb819677)
2023-10-10 00:00:00
Fedora: Security Advisory for kernel (FEDORA-2023-830d9ec624)
2023-10-11 00:00:00
fedora
fedora
[SECURITY] Fedora 37 Update: kernel-6.5.6-100.fc37
2023-10-10 01:33:41
[SECURITY] Fedora 39 Update: kernel-6.5.6-300.fc39
2023-10-09 22:27:11
[SECURITY] Fedora 38 Update: kernel-6.5.6-200.fc38
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kernel security update
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Important: kernel security update
2024-01-12 19:59:56
linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2 vulnerabilities
2023-11-30 16:56:33
linux, linux-aws, linux-laptop, linux-lowlatency, linux-oem-6.5, linux-oracle, linux-raspi, linux-starfive vulnerabilities
2023-11-21 19:58:21
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Linux kernel vulnerabilities
2023-11-30 00:00:00
Linux kernel vulnerabilities
2023-11-21 00:00:00
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2024-02-07 00:00:00
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Important Photon OS Security Update - PHSA-2023-5.0-0111
2023-10-10 00:00:00
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Updated kernel packages fix security vulnerabilities and other bugs
2023-11-28 20:12:52
Updated kernel-linus packages fix security vulnerabilities
2023-11-30 01:29:41
ibm
ibm
Security Bulletin: IBM Security Guardium is affected by multiple Linux Kernel vulnerabilities
2024-05-15 17:32:24

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

EPSS

0

Percentile

5.1%

JSON
Related for UB:CVE-2023-5345
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