Information Exposure The advisory has been revoked - it doesn't affect any version of package kernel-tools (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-KERNELTOOLS-2814298
- published11 May 2022
- disclosed2 May 2022
Introduced: 2 May 2022
CVE-2022-1012 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Centos.
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
References
- https://access.redhat.com/security/cve/CVE-2022-1012
- https://access.redhat.com/errata/RHSA-2022:5214
- https://access.redhat.com/errata/RHSA-2022:5249
- https://access.redhat.com/errata/RHSA-2022:5267
- https://access.redhat.com/errata/RHSA-2022:5819
- https://access.redhat.com/errata/RHSA-2022:5834
- https://kernel.googlesource.com/pub/scm/linux/kernel/git/jkirsher/net-queue/+/b2d057560b8107c633b39aabe517ff9d93f285e3%5E%21/
- https://lore.kernel.org/lkml/20220427065233.2075-1-w@1wt.eu/T/
- https://bugzilla.redhat.com/show_bug.cgi?id=2064604
- https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
- https://security.netapp.com/advisory/ntap-20221020-0006/