Description

A memory leak in the alloc_sgtable() function in drivers/net/wireless/intel/iwlwifi/fw/dbg.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering alloc_page() failures, aka CID-b4b814fec1a5.

References

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

https://github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7d

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

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

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

https://usn.ubuntu.com/4300-1/

https://usn.ubuntu.com/4301-1/

https://usn.ubuntu.com/4302-1/

Details

Risk Information

CVSS v2

CVSS v3