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CVE-2025-37874— net: ngbe: fix memory leak in ngbe_probe() error path

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ngbe驱动探测失败时未释放rss_key内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.31% · P22

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 02338c484ab6250b81f0266ffb40d53c3efe0f47< 7c2b66a31c7a4866400f7e6fb43cb32021bfca01 affected
02338c484ab6250b81f0266ffb40d53c3efe0f47< 8335a3feb9d0d97e5e8f76d38b6bb8573d5b4a29 affected
02338c484ab6250b81f0266ffb40d53c3efe0f47< 397487338eff1891c4654ce7deaafbf72a1688b2 affected
02338c484ab6250b81f0266ffb40d53c3efe0f47< 88fa80021b77732bc98f73fb69d69c7cc37b9f0d affected
6.2 affected
< 6.2 unaffected
6.6.88≤ 6.6.* unaffected
6.12.25≤ 6.12.* unaffected
… +2 more rows
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I. Basic Information for CVE-2025-37874

Vulnerability Information
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Vulnerability Title
net: ngbe: fix memory leak in ngbe_probe() error path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: ngbe: fix memory leak in ngbe_probe() error path When ngbe_sw_init() is called, memory is allocated for wx->rss_key in wx_init_rss_key(). However, in ngbe_probe() function, the subsequent error paths after ngbe_sw_init() don't free the rss_key. Fix that by freeing it in error path along with wx->mac_table. Also change the label to which execution jumps when ngbe_sw_init() fails, because otherwise, it could lead to a double free for rss_key, when the mac_table allocation fails in wx_sw_init().
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ngbe驱动探测失败时未释放rss_key内存，可能导致内存泄漏。
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 02338c484ab6250b81f0266ffb40d53c3efe0f47 ~ 7c2b66a31c7a4866400f7e6fb43cb32021bfca01 -
Linux Linux 6.2 -

II. Public POCs for CVE-2025-37874

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III. Intelligence Information for CVE-2025-37874

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Patches & Fixes for CVE-2025-37874 (1)

Same Patch Batch · Linux · 2025-05-09 · 52 CVEs total

CVE-2025-37879 9.8 CRITICAL 9p/net: fix improper handling of bogus negative read/write replies
CVE-2025-37885 8.8 HIGH KVM: x86: Reset IRTE to host control if *new* route isn't postable
CVE-2025-37849 8.8 HIGH KVM: arm64: Tear down vGIC on failed vCPU creation
CVE-2025-37856 7.8 HIGH btrfs: harden block_group::bg_list against list_del() races
CVE-2025-37886 7.8 HIGH pds_core: make wait_context part of q_info
CVE-2025-37869 7.8 HIGH drm/xe: Use local fence in error path of xe_migrate_clear
CVE-2025-37854 7.8 HIGH drm/amdkfd: Fix mode1 reset crash issue
CVE-2025-37845 7.8 HIGH tracing: fprobe events: Fix possible UAF on modules
CVE-2025-37882 7.8 HIGH usb: xhci: Fix isochronous Ring Underrun/Overrun event handling
CVE-2025-37861 7.8 HIGH scsi: mpi3mr: Synchronous access b/w reset and tm thread for reply queue
CVE-2025-37873 7.8 HIGH eth: bnxt: fix missing ring index trim on error path
CVE-2025-37871 7.5 HIGH nfsd: decrease sc_count directly if fail to queue dl_recall
CVE-2025-37887 7.1 HIGH pds_core: handle unsupported PDS_CORE_CMD_FW_CONTROL result
CVE-2025-37876 7.0 HIGH netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS
CVE-2025-37888 net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table()
CVE-2025-37878 perf/core: Fix WARN_ON(!ctx) in __free_event() for partial init
CVE-2025-37872 net: txgbe: fix memory leak in txgbe_probe() error path
CVE-2025-37870 drm/amd/display: prevent hang on link training fail
CVE-2025-37868 drm/xe/userptr: fix notifier vs folio deadlock
CVE-2025-37867 RDMA/core: Silence oversized kvmalloc() warning

Showing top 20 of 52 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37874

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