Resource Exhaustion Affecting kernel-debug package, versions <0:4.18.0-193.el8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUG-3727780
- published 26 Jul 2021
- disclosed 21 Nov 2019
Introduced: 21 Nov 2019
CVE-2019-19058 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug to version 0:4.18.0-193.el8 or higher.
This issue was patched in RHSA-2020:1769.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://access.redhat.com/security/cve/CVE-2019-19058
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://github.com/torvalds/linux/commit/b4b814fec1a5a849383f7b3886b654a13abbda7d
- https://access.redhat.com/errata/RHSA-2020:1769
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- https://usn.ubuntu.com/4300-1/
- https://usn.ubuntu.com/4301-1/
- https://usn.ubuntu.com/4302-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/