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CVE-2025-71146— netfilter: nf_conncount: fix leaked ct in error paths

EPSS 0.02% · P5
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I. Basic Information for CVE-2025-71146

Vulnerability Information
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Vulnerability Title
netfilter: nf_conncount: fix leaked ct in error paths
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conncount: fix leaked ct in error paths There are some situations where ct might be leaked as error paths are skipping the refcounted check and return immediately. In order to solve it make sure that the check is always called.
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，该漏洞源于错误路径中连接跟踪泄漏，可能导致引用计数问题。
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 6e86f0eca857ee42787e30e9ec0b726aebfcae0a ~ 08fa37f4c8c59c294e9c18fea2d083ee94074e5a -
LinuxLinux 6.12.63 ~ 6.12.64 -

II. Public POCs for CVE-2025-71146

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III. Intelligence Information for CVE-2025-71146

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Same Patch Batch · Linux · 2026-01-23 · 34 CVEs total

CVE-2026-229849.8 CRITICALlibceph: prevent potential out-of-bounds reads in handle_auth_done()
CVE-2026-229887.8 HIGHarp: do not assume dev_hard_header() does not change skb->head
CVE-2026-229807.8 HIGHnfsd: provide locking for v4_end_grace
CVE-2026-229927.5 HIGHlibceph: return the handler error from mon_handle_auth_done()
CVE-2026-229917.5 HIGHlibceph: make free_choose_arg_map() resilient to partial allocation
CVE-2026-229907.5 HIGHlibceph: replace overzealous BUG_ON in osdmap_apply_incremental()
CVE-2026-22993idpf: Fix RSS LUT NULL ptr issue after soft reset
CVE-2026-22989nfsd: check that server is running in unlock_filesystem
CVE-2026-22979net: fix memory leak in skb_segment_list for GRO packets
CVE-2026-22987net/sched: act_api: avoid dereferencing ERR_PTR in tcf_idrinfo_destroy
CVE-2026-22986gpiolib: fix race condition for gdev->srcu
CVE-2026-22985idpf: Fix RSS LUT NULL pointer crash on early ethtool operations
CVE-2026-22994bpf: Fix reference count leak in bpf_prog_test_run_xdp()
CVE-2026-22983net: do not write to msg_get_inq in callee
CVE-2026-22982net: mscc: ocelot: Fix crash when adding interface under a lag
CVE-2026-22981idpf: detach and close netdevs while handling a reset
CVE-2026-22995ublk: fix use-after-free in ublk_partition_scan_work
CVE-2025-71145usb: phy: isp1301: fix non-OF device reference imbalance
CVE-2026-22978wifi: avoid kernel-infoleak from struct iw_point
CVE-2025-71161dm-verity: disable recursive forward error correction

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71146

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