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CVE-2023-42752

UNKNOWN
Published 2023-10-13T01:41:49.818Z
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Expert Analysis

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CVSS Score

V3.1
5.5
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.162
Higher than 16.2% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Red Hat

Red Hat Enterprise Linux 6

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 7

Red Hat

Red Hat Enterprise Linux 8

Red Hat

Red Hat Enterprise Linux 8

Red Hat

Red Hat Enterprise Linux 9

Red Hat

Red Hat Enterprise Linux 9

Fedora

Fedora

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-hh43-rpvg-j35f

Advisory Details

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-42752
WEB https://access.redhat.com/security/cve/CVE-2023-42752
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2239828
WEB https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa
WEB https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2
WEB http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html

Advisory provided by GitHub Security Advisory Database. Published: October 13, 2023, Modified: November 29, 2023

References

http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
https://access.redhat.com/security/cve/CVE-2023-42752
https://bugzilla.redhat.com/show_bug.cgi?id=2239828
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2
Published: 2023-10-13T01:41:49.818Z
Last Modified: 2024-08-02T19:30:24.025Z
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