Use After Free Affecting kernel-bootwrapper package, versions <0:3.10.0-862.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-4778515
- published 26 Jul 2021
- disclosed 5 Dec 2017
Introduced: 5 Dec 2017
CVE-2017-8824 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-862.el7 or higher.
This issue was patched in RHSA-2018:1062.
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.
The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.
References
- http://www.securityfocus.com/bid/102056
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://access.redhat.com/security/cve/CVE-2017-8824
- https://www.debian.org/security/2017/dsa-4073
- https://www.debian.org/security/2018/dsa-4082
- https://www.exploit-db.com/exploits/43234/
- http://lists.openwall.net/netdev/2017/12/04/224
- http://www.openwall.com/lists/oss-security/2017/12/05/1
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://access.redhat.com/errata/RHSA-2018:1062
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- https://usn.ubuntu.com/3581-1/
- https://usn.ubuntu.com/3581-2/
- https://usn.ubuntu.com/3581-3/
- https://usn.ubuntu.com/3582-1/
- https://usn.ubuntu.com/3582-2/
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- https://www.exploit-db.com/exploits/43234