CVE-2023-52450: perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
First published: Thu Feb 22 2024(Updated: )
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()
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.2.0<6.6.14 | |
| Linux Linux kernel | >=6.7.0<6.7.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 |
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Reference Links
- https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4
- https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e
- https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015
- https://launchpad.net/bugs/cve/CVE-2023-52450
- https://access.redhat.com/security/cve/CVE-2023-52450
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2292518
- https://access.redhat.com/errata/RHSA-2024:4823
- https://access.redhat.com/errata/RHSA-2024:4831
- https://bugzilla.redhat.com/show_bug.cgi?id=2265649
- https://git.kernel.org/linus/1692cf434ba13ee212495b5af795b6a07e986ce4
- https://security-tracker.debian.org/tracker/CVE-2023-52450
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52450
- https://nvd.nist.gov/vuln/detail/CVE-2023-52450
- https://ubuntu.com/security/CVE-2023-52450
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