NULL Pointer Dereference Affecting kernel-uek package, versions <0:4.1.12-103.9.4.el7uek
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-ORACLE7-KERNELUEK-2522689
- published10 Apr 2022
- disclosed12 Oct 2017
Introduced: 12 Oct 2017
CVE-2017-12192 (opens in a new tab)How to fix?
Upgrade Oracle:7 kernel-uek to version 0:4.1.12-103.9.4.el7uek or higher.
This issue was patched in ELSA-2017-3640.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.
References
- https://linux.oracle.com/cve/CVE-2017-12192.html
- https://linux.oracle.com/errata/ELSA-2017-3640.html
- https://linux.oracle.com/errata/ELSA-2018-0151.html
- https://linux.oracle.com/errata/ELSA-2020-2430.html
- http://seclists.org/oss-sec/2017/q4/63
- https://access.redhat.com/errata/RHSA-2018:0152
- https://access.redhat.com/errata/RHSA-2018:0181
- https://access.redhat.com/errata/RHSA-2018:0654
- https://access.redhat.com/errata/RHSA-2020:2430
- https://access.redhat.com/security/cve/CVE-2017-12192
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=37863c43b2c6464f252862bf2e9768264e961678
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1493435
- https://github.com/torvalds/linux/commit/37863c43b2c6464f252862bf2e9768264e961678
- https://lkml.org/lkml/2017/9/18/764
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/