7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%
A use-after-free exists in the Linux Kernel in tc_new_tfilter that could
allow a local attacker to gain privilege escalation. The exploit requires
unprivileged user namespaces. We recommend upgrading past commit
04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux | < 5.4.0-107.121 | UNKNOWN |
ubuntu | 21.10 | noarch | linux | < 5.13.0-39.44 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1071.76 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | < 5.13.0-1021.23 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.13 | < 5.13.0-1021.23~20.04.2 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1071.76~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1074.77 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-azure | < 5.13.0-1021.24 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure-5.13 | < 5.13.0-1021.24~20.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-5.4 | < 5.4.0-1074.77~18.04.1 | UNKNOWN |
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
launchpad.net/bugs/cve/CVE-2022-1055
nvd.nist.gov/vuln/detail/CVE-2022-1055
security-tracker.debian.org/tracker/CVE-2022-1055
syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
ubuntu.com/security/notices/USN-5358-1
ubuntu.com/security/notices/USN-5358-2
ubuntu.com/security/notices/USN-5368-1
ubuntu.com/security/notices/USN-5377-1
www.cve.org/CVERecord?id=CVE-2022-1055
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%