High severity7.8NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026

CVE-2020-27815

Description

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

263

osv-coords248 versions
pkg:apk/chainguard/hyperv-daemons-6.18 pkg:apk/chainguard/hyperv-daemons-generic pkg:apk/chainguard/linux-aws-6.12 pkg:apk/chainguard/linux-aws-6.12-fips-boot-installed pkg:apk/chainguard/linux-aws-6.12-headers pkg:apk/chainguard/linux-aws-6.12-modules pkg:apk/chainguard/linux-aws-6.18 pkg:apk/chainguard/linux-aws-6.18-boot-installed pkg:apk/chainguard/linux-aws-6.18-fips-boot-installed pkg:apk/chainguard/linux-aws-6.18-headers pkg:apk/chainguard/linux-aws-generic pkg:apk/chainguard/linux-aws-generic-headers pkg:apk/chainguard/linux-aws-generic-modules pkg:apk/chainguard/linux-azure-6.18 pkg:apk/chainguard/linux-azure-6.18-boot-installed pkg:apk/chainguard/linux-azure-6.18-fips-boot-installed pkg:apk/chainguard/linux-azure-6.18-headers pkg:apk/chainguard/linux-azure-6.18-modules pkg:apk/chainguard/linux-azure-generic pkg:apk/chainguard/linux-azure-generic-boot-configuration pkg:apk/chainguard/linux-azure-generic-boot-installed pkg:apk/chainguard/linux-azure-generic-fips-boot-installed 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- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 6.18.5-r0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 0
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-10.37.1
- (no CPE)range: < 4.12.14-10.37.1
- (no CPE)range: < 5.3.18-18.41.1
- (no CPE)range: < 5.3.18-18.41.1
- (no CPE)range: < 5.3.18-18.41.1
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1.9.26.4
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.3.8.1
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 4.12.14-10.37.1
- (no CPE)range: < 4.12.14-10.37.1
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 0
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1.9.26.4
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.2
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.2
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 1-8.3.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 5.3.18-33.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 1-5.3.4
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 1-6.3.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 1-7.5.1
- (no CPE)range: < 1-3.3.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 5.3.18-33.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-16.50.1
- (no CPE)range: < 4.12.14-150.72.2
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-122.66.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-33.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-24.61.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-59.5.1
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.3.8.1
- (no CPE)range: < 5.3.18-38.3.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2.18.2.2
- (no CPE)range: < 4.12.14-150.72.2
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 5.3.18-33.1
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-8.7.1
- (no CPE)range: < 4.12.14-150.72.1
- (no CPE)range: < 5.3.18-59.5.2.18.2.2
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-95.74.1
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.3
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 4.12.14-197.89.2
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.69.1.lp152.8.28.1
- (no CPE)range: < 5.3.18-lp152.69.1
- (no CPE)range: < 5.3.18-lp152.3.8.1
- (no CPE)range: < 5.3.18-lp152.3.8.1
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.2
- (no CPE)range: < 5.3.18-59.5.1
- (no CPE)range: < 5.3.18-59.5.1
Linux/Linux Kerneldescription
Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >4.4.249
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
NetApp/H300s Firmware
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
NetApp/H500s Firmware
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
NetApp/H700s Firmware
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
NetApp/H300e Firmware
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
NetApp/H500e Firmware
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
NetApp/H700e Firmware
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
NetApp/H410s Firmware
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
NetApp/H410c Firmware
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
NetApp/Aff A250 Firmware
cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*
NetApp/Fas500f Firmware
cpe:2.3:o:netapp:fas500f_firmware:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
www.openwall.com/lists/oss-security/2020/11/30/5nvdExploitMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2020/12/28/1nvdExploitMailing ListPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlnvdMailing ListThird Party Advisory
lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlnvdMailing ListThird Party Advisory
security.netapp.com/advisory/ntap-20210702-0004/nvdThird Party Advisory
www.debian.org/security/2021/dsa-4843nvdThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue Tracking
www.openwall.com/lists/oss-security/2020/11/30/5%2CnvdMailing List
www.openwall.com/lists/oss-security/2020/12/28/1%2CnvdMailing List

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000