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kernel: Use-after-free due to race condition in AF_PACKET implementation

🗓️ 14 May 2019 20:26:53Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Use-after-free in AF_PACKET due to race between packet_do_bind and packet_notifier; may crash kernel.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Linux Kernel affect PowerKVM
17 May 201916:05
–ibm
IBM Security Bulletins		Security Bulletin: IBM Security Privileged Identity Manager is affected by multiple security vulnerabilities
19 Aug 201920:44
–ibm
BDU FSTEC		The vulnerability of the Linux kernel’s RAW-socket handler AF_PACKET allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.
12 Mar 201900:00
–bdu_fstec
Tenable Nessus		CentOS 7 : kernel (CESA-2019:0163)
4 Feb 201900:00
–nessus
Tenable Nessus		CentOS 7 : kernel-alt (RHSA-2020:0174)
9 Oct 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1076)
8 Mar 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-1131)
2 Apr 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.5.3 : kernel (EulerOS-SA-2019-1244)
4 Apr 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.5.4 : kernel (EulerOS-SA-2019-1253)
4 Apr 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1303)
1 May 201900:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6x86_64kernel-rt1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-debug-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug-debuginfo1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-debug-debuginfo-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debug-devel1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-debug-devel-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debuginfo1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-debuginfo-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-debuginfo-common-x86_641:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-debuginfo-common-x86_64-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-devel1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-devel-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
Red Hat Enterprise Linux6anykernel-rt-doc1:3.10.0-693.47.2.rt56.641.el6rt.noarchkernel-rt-doc-1:3.10.0-693.47.2.rt56.641.el6rt.noarch.noarch.rpm
Red Hat Enterprise Linux6anykernel-rt-firmware1:3.10.0-693.47.2.rt56.641.el6rt.noarchkernel-rt-firmware-1:3.10.0-693.47.2.rt56.641.el6rt.noarch.noarch.rpm
Red Hat Enterprise Linux6x86_64kernel-rt-trace1:3.10.0-693.47.2.rt56.641.el6rtkernel-rt-trace-1:3.10.0-693.47.2.rt56.641.el6rt.x86_64.rpm
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28 Jun 2026 12:10Current
7.3High risk
Vulners AI Score7.3
CVSS 26.8
CVSS 3.18.1
EPSS0.02612
CWE-416
af packetuse after freerace conditionpacket bindpacket notifiermemory corruptionlocal userkernel crash
3