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
Link | Resource |
---|---|
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 | Exploit Issue Tracking Patch Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2036934 | Issue Tracking Patch Third Party Advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814 | Patch Vendor Advisory |
https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T/ | |
https://security.netapp.com/advisory/ntap-20221111-0003/ | Third Party Advisory |
https://www.oracle.com/security-alerts/cpujul2022.html | Patch Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2022-03-25T00:00:00
Updated: 2022-11-14T00:00:00
Reserved: 2022-01-10T00:00:00
Link: CVE-2021-4203
JSON object: View
NVD Information
Status : Modified
Published: 2022-03-25T19:15:09.833
Modified: 2023-11-07T03:40:21.853
Link: CVE-2021-4203
JSON object: View
Redhat Information
No data.