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2.1
CVSSv2

CVE-2020-26088

Published: 24/09/2020 Updated: 27/04/2022
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 188
Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N
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Vulnerability Summary

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel prior to 5.8.2 could be used by local malicious users to create raw sockets, bypassing security mechanisms, aka CID-26896f01467a.

Vulnerability Trend

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linux linux kernel

debian debian linux 9.0

opensuse leap 15.1

opensuse leap 15.2

canonical ubuntu linux 18.04

canonical ubuntu linux 14.04

canonical ubuntu linux 16.04

Vendor Advisories

Amazon Linux AMI: ALAS-2020-1437
In the Linux kernel 5021 and 5311, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cachec because the pointer to a left data structure can be the same as the pointer to a right data structure (CVE-2019-19448) ...

References

CWE-276https://github.com/torvalds/linux/commit/26896f01467a28651f7a536143fe5ac8449d4041https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.htmlhttps://usn.ubuntu.com/4578-1/https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlhttps://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlhttps://nvd.nist.govhttps://alas.aws.amazon.com/ALAS-2020-1437.html
CVSSv2
CVSSv2
CVSSv3
VMScore
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