CVE-2019-19058

low-risk

Published 2019-11-18

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.

Do I need to act?

0.09% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.7/10 Medium

LOCAL / HIGH complexity

Affected Products (8)

Linux Kernel

Ubuntu Linux

Fedora

Leap

Affected Vendors

Linux Canonical Fedoraproject Opensuse

References (16)

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

Patch https://github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7...

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

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

Third Party Advisory https://usn.ubuntu.com/4300-1/

Third Party Advisory https://usn.ubuntu.com/4301-1/

Third Party Advisory https://usn.ubuntu.com/4302-1/

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

Patch https://github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7...

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

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

Third Party Advisory https://usn.ubuntu.com/4300-1/

Third Party Advisory https://usn.ubuntu.com/4301-1/

Third Party Advisory https://usn.ubuntu.com/4302-1/

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low-risk

Severity 12/34 · Low

Exploitability 0/34 · Minimal

Exposure 14/34 · Moderate