CVE-2019-20908

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e	Patch Vendor Advisory
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh	Patch Third Party Advisory
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html	Mailing List Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4	Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2020/07/20/6	Mailing List Third Party Advisory
https://usn.ubuntu.com/4427-1/	Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/29/3	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/2	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/3	Mailing List Third Party Advisory
https://usn.ubuntu.com/4439-1/	Third Party Advisory
https://usn.ubuntu.com/4426-1/	Third Party Advisory
https://usn.ubuntu.com/4440-1/	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

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Published : 2020-07-15 10:15

Updated : 2021-07-21 11:39

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NVD link : CVE-2019-20908

Mitre link : CVE-2019-20908

No products.

NVD-CWE-noinfo