Ubuntu.comUB:CVE-2023-52450CVE-2023-52450
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%
In the Linux kernel, the following vulnerability has been resolved:
perf/x86/intel/uncore: Fix NULL pointer dereference issue in
upi_fill_topology() Get logical socket id instead of physical id in
discover_upi_topology() to avoid out-of-bound access on ‘upi =
&type->topology[nid][idx];’ line that leads to NULL pointer dereference in
upi_fill_topology()
Notes
| Author | Note |
|---|---|
| rodrigo-zaiden | USN-6765-1 for linux-oem-6.5 wrongly stated that this CVE was fixed in version 6.5.0-1022.23. The mentioned notice was revoked and the state of the fix for linux-oem-6.5 was recovered to the previous state. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 23.10 | noarch | linux | < 6.5.0-41.41 | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-aws | < 6.5.0-1021.21 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws-6.5 | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-azure | < 6.5.0-1022.23 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-6.5 | < 6.5.0-1022.23~22.04.1 | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-gcp | < 6.5.0-1022.24 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gcp-6.5 | < 6.5.0-1022.24~22.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-hwe-6.5 | < 6.5.0-41.41~22.04.2 | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-laptop | < 6.5.0-1017.20 | UNKNOWN |
| ubuntu | 23.10 | noarch | linux-lowlatency | < 6.5.0-41.41.1 | UNKNOWN |
References
git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4
git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e
git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015
launchpad.net/bugs/cve/CVE-2023-52450
nvd.nist.gov/vuln/detail/CVE-2023-52450
security-tracker.debian.org/tracker/CVE-2023-52450
ubuntu.com/security/notices/USN-6818-1
ubuntu.com/security/notices/USN-6818-2
ubuntu.com/security/notices/USN-6818-3
ubuntu.com/security/notices/USN-6818-4
ubuntu.com/security/notices/USN-6819-1
ubuntu.com/security/notices/USN-6819-2
ubuntu.com/security/notices/USN-6819-3
ubuntu.com/security/notices/USN-6819-4
www.cve.org/CVERecord?id=CVE-2023-52450
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
5.1%