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An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.

🗓️ 15 Sep 2022 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Race condition causing use-after-free in the Linux kernel capsule loader for firmware up to 5.19.8.

Related
Detection
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2022-40307
9 Sep 202205:15
–attackerkb
Tenable Nessus		Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-150)
14 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-185)
5 Nov 202200:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-070)
21 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2-2022-1852 (ALAS-2022-1852)
10 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-020 (ALASKERNEL-5.10-2022-020)
14 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2022-008 (ALASKERNEL-5.15-2022-008)
14 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-036 (ALASKERNEL-5.4-2022-036)
14 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2022-1636)
10 Oct 202200:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)
14 May 202500:00
–nessus
Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.70.1-1Range<5.15.70.1-1
OR
microsoftcm1_kernel_5.10.144.1-1Range<5.10.144.1-1

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17 Sep 2022 07:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.14.7
EPSS0.00199
Linux kernelrace conditionuse after freecapsule loaderextensible firmware interface
1