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An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.

🗓️ 27 Jun 2023 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Out of bounds memory access in Linux relayfs relay_file_read_start_pos could allow a local attacker to crash or leak kernel data.

Related
Detection
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2023-39977
8 Aug 202306:15
–attackerkb
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2023-034 (ALASKERNEL-5.10-2023-034)
29 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-021 (ALASKERNEL-5.15-2023-021)
29 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-047 (ALASKERNEL-5.4-2023-047)
29 Jun 202300:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0079: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0079)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0136: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0136)
14 May 202500:00
–nessus
Tenable Nessus		CentOS 9 : kernel-5.14.0-350.el9
29 Feb 202400:00
–nessus
Tenable Nessus		Debian dla-3508 : hyperv-daemons - security update
28 Jul 202300:00
–nessus
Tenable Nessus		Debian dla-3623 : linux-config-5.10 - security update
20 Oct 202300:00
–nessus
Tenable Nessus		Debian DSA-5448-1 : linux - security update
6 Jul 202300:00
–nessus
Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.122.1-2Range<5.15.122.1-2
OR
microsoftcm1_kernel_5.10.188.1-1Range<5.10.188.1-1

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27 Jun 2023 07:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.1
EPSS0.00008
SSVC
Linux relayfsrelay_file_read_start_posout of boundslocal attackerkernel data
1