Ubuntu.comUB:CVE-2023-7192CVE-2023-7192
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
5.3 Medium
AI Score
Confidence
High
1.4 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:M/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
9.3%
A memory leak problem was found in ctnetlink_create_conntrack in
net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may
allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of
service (DoS) attack due to a refcount overflow.
Bugs
- <https://bugzilla.redhat.com/show_bug.cgi?id=2256279>
- <https://bugzilla.suse.com/show_bug.cgi?id=1218479>
Notes
| Author | Note |
|---|---|
| Priority reason: By using unprivileged user namespaces, this can be exploited to achieve local privilege escalation. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < 4.15.0-222.233) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 20.04 | noarch | linux | < 5.4.0-152.169 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux | < 5.15.0-79.86 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux | < 3.13.0-196.247) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | linux | < 4.4.0-251.285) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1165.178) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1104.112 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1042.47 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1128.134) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1166.181) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
References
git.kernel.org/linus/ac4893980bbe79ce383daf9a0885666a30fe4c83 (6.3-rc1)
launchpad.net/bugs/cve/CVE-2023-7192
nvd.nist.gov/vuln/detail/CVE-2023-7192
security-tracker.debian.org/tracker/CVE-2023-7192
ubuntu.com/security/notices/USN-6645-1
ubuntu.com/security/notices/USN-6646-1
ubuntu.com/security/notices/USN-6647-1
ubuntu.com/security/notices/USN-6647-2
www.cve.org/CVERecord?id=CVE-2023-7192
Related
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
5.3 Medium
AI Score
Confidence
High
1.4 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
MULTIPLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:M/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
9.3%