CVE-2020-12770
MediumAn issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
CVSS 3.1 score
6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
The following references provide additional information about CVE-2020-12770 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4411-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4412-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4413-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4414-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4419-1/Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2020/dsa-4698Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2020/dsa-4699Third Party Advisory
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee
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PatchKernel patch commithttps://lkml.org/lkml/2020/4/13/870
Frequently asked questions
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What is CVE-2020-12770?
CVE-2020-12770 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10 . CVE-2020-12770 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2020-12770?
CVE-2020-12770 has a CVSS score of 6.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2020-12770?
No patch is currently available for CVE-2020-12770. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2020-12770 actively exploited?
No — CVE-2020-12770 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.