CVE - CVE-2021-4203

CVE-ID
CVE-2021-4203	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://security.netapp.com/advisory/ntap-20221111-0003/ MISC: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 URL: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 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=2036934 URL:https://bugzilla.redhat.com/show_bug.cgi?id=2036934 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814 URL:https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814 MISC:https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet@gmail.com/T/ URL:https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet@gmail.com/T/ MISC:https://www.oracle.com/security-alerts/cpujul2022.html URL:https://www.oracle.com/security-alerts/cpujul2022.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20220110	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20220110)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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