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CVE-2023-52450— perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()

EPSS 0.01% · P3
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I. Basic Information for CVE-2023-52450

Vulnerability Information
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Vulnerability Title
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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()
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于upi_fill_topology()中 NULL 指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux f680b6e6062ef3c944ffc966d685f067958fca33 ~ bf1bf09e6b599758851457f3999779622a48d015 -
LinuxLinux 6.2 -

II. Public POCs for CVE-2023-52450

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III. Intelligence Information for CVE-2023-52450

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Same Patch Batch · Linux · 2024-02-22 · 17 CVEs total

CVE-2024-26592ksmbd: fix UAF issue in ksmbd_tcp_new_connection()
CVE-2024-26591bpf: Fix re-attachment branch in bpf_tracing_prog_attach
CVE-2023-52452bpf: Fix accesses to uninit stack slots
CVE-2023-52451powerpc/pseries/memhp: Fix access beyond end of drmem array
CVE-2023-52449mtd: Fix gluebi NULL pointer dereference caused by ftl notifier
CVE-2023-52448gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump
CVE-2023-52447bpf: Defer the free of inner map when necessary
CVE-2023-52446bpf: Fix a race condition between btf_put() and map_free()
CVE-2023-52445media: pvrusb2: fix use after free on context disconnection
CVE-2023-52444f2fs: fix to avoid dirent corruption
CVE-2024-26589bpf: Reject variable offset alu on PTR_TO_FLOW_KEYS
CVE-2024-26590erofs: fix inconsistent per-file compression format
CVE-2024-26588LoongArch: BPF: Prevent out-of-bounds memory access
CVE-2024-26586mlxsw: spectrum_acl_tcam: Fix stack corruption
CVE-2024-26587net: netdevsim: don't try to destroy PHC on VFs
CVE-2023-52443apparmor: avoid crash when parsed profile name is empty

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52450

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