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CVE-2025-39701— ACPI: pfr_update: Fix the driver update version check

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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ACPI/pfr_update模块驱动程序更新版本检查错误。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1220 · XSL Script Processing

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 0db89fa243e5edc5de38c88b369e4c3755c5fb74< 79300ff532bccbbf654992c7c0863b49a6c3973c affected
0db89fa243e5edc5de38c88b369e4c3755c5fb74< cf0a88124e357bffda487cbf3cb612bb97eb97e4 affected
0db89fa243e5edc5de38c88b369e4c3755c5fb74< b00219888c11519ef75d988fa8a780da68ff568e affected
0db89fa243e5edc5de38c88b369e4c3755c5fb74< 908094681f645d3a78e18ef90561a97029e2df7b affected
0db89fa243e5edc5de38c88b369e4c3755c5fb74< 8151320c747efb22d30b035af989fed0d502176e affected
5.17 affected
< 5.17 unaffected
6.1.149≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2025-39701

Vulnerability Information
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Vulnerability Title
ACPI: pfr_update: Fix the driver update version check
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: pfr_update: Fix the driver update version check The security-version-number check should be used rather than the runtime version check for driver updates. Otherwise, the firmware update would fail when the update binary had a lower runtime version number than the current one. [ rjw: Changelog edits ]
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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ACPI/pfr_update模块驱动程序更新版本检查错误。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 0db89fa243e5edc5de38c88b369e4c3755c5fb74 ~ 79300ff532bccbbf654992c7c0863b49a6c3973c -
Linux Linux 5.17 -

II. Public POCs for CVE-2025-39701

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III. Intelligence Information for CVE-2025-39701

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Same Patch Batch · Linux · 2025-09-05 · 60 CVEs total

CVE-2025-39726 9.8 CRITICAL s390/ism: fix concurrency management in ism_cmd()
CVE-2025-39682 9.8 CRITICAL tls: fix handling of zero-length records on the rx_list
CVE-2025-38734 9.8 CRITICAL net/smc: fix UAF on smcsk after smc_listen_out()
CVE-2025-39702 9.8 CRITICAL ipv6: sr: Fix MAC comparison to be constant-time
CVE-2025-39703 9.8 CRITICAL net, hsr: reject HSR frame if skb can't hold tag
CVE-2025-38737 9.8 CRITICAL cifs: Fix oops due to uninitialised variable
CVE-2025-39673 9.8 CRITICAL ppp: fix race conditions in ppp_fill_forward_path
CVE-2025-39704 8.8 HIGH LoongArch: KVM: Fix stack protector issue in send_ipi_data()
CVE-2025-39718 8.4 HIGH vsock/virtio: Validate length in packet header before skb_put()
CVE-2025-39711 7.8 HIGH media: ivsc: Fix crash at shutdown due to missing mei_cldev_disable() calls
CVE-2025-39710 7.8 HIGH media: venus: Add a check for packet size after reading from shared memory
CVE-2025-39696 7.8 HIGH ALSA: hda: tas2781: Fix wrong reference of tasdevice_priv
CVE-2025-39714 7.8 HIGH media: usbtv: Lock resolution while streaming
CVE-2025-39717 7.8 HIGH open_tree_attr: do not allow id-mapping changes without OPEN_TREE_CLONE
CVE-2025-39698 7.8 HIGH io_uring/futex: ensure io_futex_wait() cleans up properly on failure
CVE-2025-39697 7.8 HIGH NFS: Fix a race when updating an existing write
CVE-2025-38731 7.8 HIGH drm/xe: Fix vm_bind_ioctl double free bug
CVE-2025-39691 7.8 HIGH fs/buffer: fix use-after-free when call bh_read() helper
CVE-2025-39689 7.8 HIGH ftrace: Also allocate and copy hash for reading of filter files
CVE-2025-38733 7.8 HIGH s390/mm: Do not map lowcore with identity mapping

Showing top 20 of 60 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-39701

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