Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-27815

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.

Published

2021-05-26T13:15:07.647

Last Modified

2024-11-21T05:21:51.940

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

8.5

Weaknesses

Type: Primary
CWE-119
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	> 4.4.249	Yes
Operating System	linux	linux_kernel	< 4.9.249	Yes
Operating System	linux	linux_kernel	< 4.14.213	Yes
Operating System	linux	linux_kernel	< 4.19.164	Yes
Operating System	linux	linux_kernel	< 5.4.86	Yes
Operating System	linux	linux_kernel	< 5.10.4	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	netapp	h300s_firmware	-	Yes
Hardware	netapp	h300s	-	No
Operating System	netapp	h500s_firmware	-	Yes
Hardware	netapp	h500s	-	No
Operating System	netapp	h700s_firmware	-	Yes
Hardware	netapp	h700s	-	No
Operating System	netapp	h300e_firmware	-	Yes
Hardware	netapp	h300e	-	No
Operating System	netapp	h500e_firmware	-	Yes
Hardware	netapp	h500e	-	No
Operating System	netapp	h700e_firmware	-	Yes
Hardware	netapp	h700e	-	No
Operating System	netapp	h410s_firmware	-	Yes
Hardware	netapp	h410s	-	No
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No
Operating System	netapp	aff_a250_firmware	-	Yes
Hardware	netapp	aff_a250	-	No
Operating System	netapp	fas500f_firmware	-	Yes
Hardware	netapp	fas500f	-	No

References

http://www.openwall.com/lists/oss-security/2020/11/30/5 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2020/12/28/1 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C Issue Tracking ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c Patch, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210702-0004/ Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4843 Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2020/11/30/5%2C Mailing List ([email protected])
https://www.openwall.com/lists/oss-security/2020/12/28/1%2C Mailing List ([email protected])
http://www.openwall.com/lists/oss-security/2020/11/30/5 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2020/12/28/1 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210702-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4843 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2020/11/30/5%2C Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2020/12/28/1%2C Mailing List (af854a3a-2127-422b-91ae-364da2661108)