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CVE-2025-21843— drm/panthor: avoid garbage value in panthor_ioctl_dev_query()

EPSS 0.08% · P23
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I. Basic Information for CVE-2025-21843

Vulnerability Information
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Vulnerability Title
drm/panthor: avoid garbage value in panthor_ioctl_dev_query()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: avoid garbage value in panthor_ioctl_dev_query() 'priorities_info' is uninitialized, and the uninitialized value is copied to user object when calling PANTHOR_UOBJ_SET(). Using memset to initialize 'priorities_info' to avoid this garbage value problem.
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panthor_ioctl_dev_query函数中未初始化的priorities_info变量可能导致垃圾值问题。
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 f70000ef23527f6d928d1175c66c5fafa968814b ~ 64b95bbc08bacf3e4b05c8604e6a4fec43bb712a -
LinuxLinux 6.13 -

II. Public POCs for CVE-2025-21843

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III. Intelligence Information for CVE-2025-21843

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Same Patch Batch · Linux · 2025-03-07 · 8 CVEs total

CVE-2025-21835usb: gadget: f_midi: fix MIDI Streaming descriptor lengths
CVE-2025-21836io_uring/kbuf: reallocate buf lists on upgrade
CVE-2025-21838usb: gadget: core: flush gadget workqueue after device removal
CVE-2025-21839KVM: x86: Load DR6 with guest value only before entering .vcpu_run() loop
CVE-2025-21840thermal/netlink: Prevent userspace segmentation fault by adjusting UAPI header
CVE-2025-21841cpufreq/amd-pstate: Fix cpufreq_policy ref counting
CVE-2025-21842amdkfd: properly free gang_ctx_bo when failed to init user queue

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21843

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