Use After Free Affecting kernel-bootwrapper package, versions *
Threat Intelligence
EPSS
0.06% (27th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-2933441
- published 21 Jun 2022
- disclosed 18 Jun 2022
Introduced: 18 Jun 2022
CVE-2022-33981 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel-bootwrapper.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.
References
- https://access.redhat.com/security/cve/CVE-2022-33981
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6
- https://exchange.xforce.ibmcloud.com/vulnerabilities/225362
- https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://seclists.org/oss-sec/2022/q2/66
- https://www.debian.org/security/2022/dsa-5173
CVSS Scores
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