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CVE-2025-39747— drm/msm: Add error handling for krealloc in metadata setup

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，该漏洞源于未正确处理krealloc失败情况，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300< 53dc780c1e94ea782d8936b41bfaa83c663702eb affected
0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300< 01e3eda8edc3c4caaa49261d1a56c799b0bd6268 affected
0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300< d5386bcede7b57b193c658dcbb9d22004cde7580 affected
0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300< 1c8c354098ea9d4376a58c96ae6b65288a6f15d8 affected
3.12 affected
< 3.12 unaffected
6.12.43≤ 6.12.* unaffected
6.15.11≤ 6.15.* unaffected
… +2 more rows
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I. Basic Information for CVE-2025-39747

Vulnerability Information
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Vulnerability Title
drm/msm: Add error handling for krealloc in metadata setup
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Add error handling for krealloc in metadata setup Function msm_ioctl_gem_info_set_metadata() now checks for krealloc failure and returns -ENOMEM, avoiding potential NULL pointer dereference. Explicitly avoids __GFP_NOFAIL due to deadlock risks and allocation constraints. Patchwork: https://patchwork.freedesktop.org/patch/661235/
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，该漏洞源于未正确处理krealloc失败情况，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 0cf6c71d70d8aa39b8fd0e39c9009602a0e0d300 ~ 53dc780c1e94ea782d8936b41bfaa83c663702eb -
Linux Linux 3.12 -

II. Public POCs for CVE-2025-39747

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III. Intelligence Information for CVE-2025-39747

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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-2025-39791 7.8 HIGH dm: dm-crypt: Do not partially accept write BIOs with zoned targets
CVE-2025-39780 7.8 HIGH sched/ext: Fix invalid task state transitions on class switch
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-2025-39770 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-2025-39764 netfilter: ctnetlink: remove refcounting in expectation dumpers
CVE-2025-39768 net/mlx5: HWS, fix complex rules rehash error flow
CVE-2025-39773 net: bridge: fix soft lockup in br_multicast_query_expired()
CVE-2025-39772 drm/hisilicon/hibmc: fix the hibmc loaded failed bug
CVE-2025-39769 bnxt_en: Fix lockdep warning during rmmod

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-2025-39747

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