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kernel: net/packet: slab-out-of-bounds access in packet_recvmsg()

🗓️ 15 Nov 2022 11:38:03Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Kernel slab out-of-bounds in raw packet sockets via packet receive message with copy threshold and memory mapping, enabling local attackers to overflow or escalate.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2022-20368
11 Aug 202215:15
–attackerkb
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2022-1768 (ALAS-2022-1768)
6 Apr 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-013 (ALASKERNEL-5.10-2022-013)
2 May 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-025 (ALASKERNEL-5.4-2022-025)
2 May 202200:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2022-1577)
6 Apr 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2022:7444)
12 Nov 202200:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2022:7683)
14 Nov 202200:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel-rt (ALSA-2022:7933)
19 Nov 202200:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2022:8267)
18 Nov 202200:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : kernel (EulerOS-SA-2022-2441)
8 Oct 202200:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.1x86_64kernel-rt0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-core0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-core-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-core0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-core-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-debuginfo0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-debuginfo-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-devel0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-devel-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-kvm0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-kvm-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-modules0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-modules-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debug-modules-extra0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debug-modules-extra-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
Red Hat Enterprise Linux9.1x86_64kernel-rt-debuginfo0:5.14.0-162.6.1.rt21.168.el9_1kernel-rt-debuginfo-0:5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm
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03 Jul 2026 02:27Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.8
EPSS0.00126
CWE-787
kernel networkingslab out of boundsraw packet socketspacket receive messagebuffer overflowlocal attackerprivilege escalationmemory mapping
5