Integer Overflow or Wraparound Affecting kernel-rt package, versions <0:3.10.0-862.14.4.rt56.821.el7
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
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-KERNELRT-2106797
- published26 Jul 2021
- disclosed25 Sept 2018
Introduced: 25 Sep 2018
CVE-2018-14634 (opens in a new tab)How to fix?
Upgrade Centos:7 kernel-rt to version 0:3.10.0-862.14.4.rt56.821.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x and 4.14.x are believed to be vulnerable.
References
- http://www.securityfocus.com/bid/105407
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634
- https://security.netapp.com/advisory/ntap-20190204-0002/
- https://security.paloaltonetworks.com/CVE-2018-14634
- https://support.f5.com/csp/article/K20934447?utm_source=f5support&utm_medium=RSS
- https://access.redhat.com/security/cve/CVE-2018-14634
- https://www.exploit-db.com/exploits/45516/
- https://www.openwall.com/lists/oss-security/2018/09/25/4
- https://access.redhat.com/errata/RHSA-2018:2763
- https://usn.ubuntu.com/3775-1/
- https://usn.ubuntu.com/3775-2/
- https://usn.ubuntu.com/3779-1/
- https://access.redhat.com/security/vulnerabilities/mutagen-astronomy
- https://bugzilla.redhat.com/show_bug.cgi?id=1624498
- http://www.openwall.com/lists/oss-security/2021/07/20/2
- https://support.f5.com/csp/article/K20934447?utm_source=f5support&%3Butm_medium=RSS
- https://www.exploit-db.com/exploits/45516