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CVE-2025-39772— drm/hisilicon/hibmc: fix the hibmc loaded failed bug

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hibmc加载失败时未正确初始化互斥锁，可能导致空指针取消引用。

AI Predicted 6.6 Difficulty: Trivial EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux b3df5e65cc03696b0624a877d03a3ddf3ef43f52< ddf1691f25345699296e642f0f59f2d464722fa3 affected
b3df5e65cc03696b0624a877d03a3ddf3ef43f52< c950e1be3a24d021475b56efdb49daa7fbba63a9 affected
b3df5e65cc03696b0624a877d03a3ddf3ef43f52< f93032e5d68f459601c701f6ab087b5feb3382e8 affected
b3df5e65cc03696b0624a877d03a3ddf3ef43f52< a4f1b9c57092c48bdc7958abd23403ccaed437b2 affected
b3df5e65cc03696b0624a877d03a3ddf3ef43f52< d3e774266c28aefab3e9db334fdf568f936cae04 affected
b3df5e65cc03696b0624a877d03a3ddf3ef43f52< 93a08f856fcc5aaeeecad01f71bef3088588216a affected
4.14 affected
< 4.14 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-39772

Vulnerability Information
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Vulnerability Title
drm/hisilicon/hibmc: fix the hibmc loaded failed bug
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/hisilicon/hibmc: fix the hibmc loaded failed bug When hibmc loaded failed, the driver use hibmc_unload to free the resource, but the mutexes in mode.config are not init, which will access an NULL pointer. Just change goto statement to return, because hibnc_hw_init() doesn't need to free anything.
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hibmc加载失败时未正确初始化互斥锁，可能导致空指针取消引用。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux b3df5e65cc03696b0624a877d03a3ddf3ef43f52 ~ ddf1691f25345699296e642f0f59f2d464722fa3 -
Linux Linux 4.14 -

II. Public POCs for CVE-2025-39772

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III. Intelligence Information for CVE-2025-39772

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Same Patch Batch · Linux · 2025-09-11 · 54 CVEs total

CVE-2025-39758 9.8 CRITICAL RDMA/siw: Fix the sendmsg byte count in siw_tcp_sendpages
CVE-2025-39761 8.8 HIGH wifi: ath12k: Decrement TID on RX peer frag setup error handling
CVE-2025-39750 8.8 HIGH wifi: ath12k: Correct tid cleanup when tid setup fails
CVE-2025-39790 8.4 HIGH bus: mhi: host: Detect events pointing to unexpected TREs
CVE-2025-39779 7.8 HIGH btrfs: subpage: keep TOWRITE tag until folio is cleaned
CVE-2025-39785 7.8 HIGH drm/hisilicon/hibmc: fix irq_request()'s irq name variable is local
CVE-2025-39786 7.8 HIGH iio: adc: ad7173: fix channels index for syscalib_mode
CVE-2025-39787 7.8 HIGH soc: qcom: mdt_loader: Ensure we don't read past the ELF header
CVE-2025-39740 7.8 HIGH drm/xe/migrate: prevent potential UAF
CVE-2025-39780 7.8 HIGH sched/ext: Fix invalid task state transitions on class switch
CVE-2025-39791 7.8 HIGH dm: dm-crypt: Do not partially accept write BIOs with zoned targets
CVE-2025-39770 7.5 HIGH net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM
CVE-2025-39738 7.3 HIGH btrfs: do not allow relocation of partially dropped subvolumes
CVE-2025-39789 7.3 HIGH crypto: x86/aegis - Add missing error checks
CVE-2025-39776 7.0 HIGH mm/debug_vm_pgtable: clear page table entries at destroy_args()
CVE-2025-39769 bnxt_en: Fix lockdep warning during rmmod
CVE-2025-39771 regulator: pca9450: Use devm_register_sys_off_handler
CVE-2025-39782 jbd2: prevent softlockup in jbd2_log_do_checkpoint()
CVE-2025-39784 PCI: Fix link speed calculation on retrain failure
CVE-2025-39783 PCI: endpoint: Fix configfs group list head handling

Showing top 20 of 54 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-39772

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