7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%
A local privilege escalation was discovered in the Linux kernel before
5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused
by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were
implicitly introduced in the commits that added VSOCK multi-transport
support.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.10 | noarch | linux | < 5.8.0-43.49 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-aws | < 5.8.0-1023.25 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-azure | < 5.8.0-1022.24 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
ubuntu | 20.10 | noarch | linux-gcp | < 5.8.0-1022.23 | UNKNOWN |
ubuntu | 24.04 | noarch | linux-gke | < any | UNKNOWN |
ubuntu | 22.04 | noarch | linux-gkeop | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-gkeop-5.15 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-hwe-5.8 | < 5.8.0-43.49~20.04.1 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-kvm | < 5.8.0-1018.20 | UNKNOWN |
www.openwall.com/lists/oss-security/2021/02/05/6
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13
git.kernel.org/linus/c518adafa39f37858697ac9309c6cf1805581446
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446
launchpad.net/bugs/cve/CVE-2021-26708
nvd.nist.gov/vuln/detail/CVE-2021-26708
security-tracker.debian.org/tracker/CVE-2021-26708
ubuntu.com/security/notices/USN-4727-1
www.cve.org/CVERecord?id=CVE-2021-26708
www.openwall.com/lists/oss-security/2021/02/04/5
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%