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CVE ID:CVE-2020-27171
Description:An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.
Test IDs: 1.3.6.1.4.1.25623.1.0.892610  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2020-27171
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FB6LUXPEIRLZH32YXWZVEZAD4ZL6SDK2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRTPQE73ANG7D6M4L4PK5ZQDPO4Y2FVD/
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.8
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/patch/?id=10d2bb2e6b1d8c4576c56a748f697dbeb8388899
https://www.openwall.com/lists/oss-security/2021/03/19/3
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html
http://www.openwall.com/lists/oss-security/2021/03/24/5




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