Description

A memory leak in the crypto_report() function in crypto/crypto_user_base.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering crypto_report_alg() failures, aka CID-ffdde5932042.

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html

http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

https://github.com/torvalds/linux/commit/ffdde5932042600c6807d46c1550b28b0db6a3bc

https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html

https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/

https://lists.fedoraproject.org/archives/list/[email protected]/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/

https://seclists.org/bugtraq/2020/Jan/10

https://security.netapp.com/advisory/ntap-20191205-0001/

https://usn.ubuntu.com/4254-1/

https://usn.ubuntu.com/4254-2/

https://usn.ubuntu.com/4258-1/

https://usn.ubuntu.com/4284-1/

https://usn.ubuntu.com/4287-1/

https://usn.ubuntu.com/4287-2/

Details

Risk Information

CVSS v2

CVSS v3