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CVE-2021-4203

UNKNOWN
Published 2022-03-25T00:00:00
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No CVSS data available

Description

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-rh28-76xv-jcqc

Advisory Details

A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-4203
WEB https://bugs.chromium.org/p/project-zero/issues/detail?id=2230&can=7&q=modified-after%3Atoday-30&sort=-modified&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve&cells=tiles&redir=1
WEB https://bugzilla.redhat.com/show_bug.cgi?id=2036934
WEB https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814
WEB https://lore.kernel.org/netdev/[email protected]/T
WEB https://security.netapp.com/advisory/ntap-20221111-0003
WEB https://www.oracle.com/security-alerts/cpujul2022.html

Advisory provided by GitHub Security Advisory Database. Published: March 26, 2022, Modified: April 8, 2022

References

https://bugzilla.redhat.com/show_bug.cgi?id=2036934
https://bugs.chromium.org/p/project-zero/issues/detail?id=2230&can=7&q=modified-after%3Atoday-30&sort=-modified&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve&cells=tiles&redir=1
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814
https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/
https://www.oracle.com/security-alerts/cpujul2022.html
https://security.netapp.com/advisory/ntap-20221111-0003/
Published: 2022-03-25T00:00:00
Last Modified: 2024-08-03T17:16:04.262Z
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