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CVE-2025-38306— fs/fhandle.c: fix a race in call of has_locked_children()

EPSS 0.06% · P18
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I. Basic Information for CVE-2025-38306

Vulnerability Information
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Vulnerability Title
fs/fhandle.c: fix a race in call of has_locked_children()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs/fhandle.c: fix a race in call of has_locked_children() may_decode_fh() is calling has_locked_children() while holding no locks. That's an oopsable race... The rest of the callers are safe since they are holding namespace_sem and are guaranteed a positive refcount on the mount in question. Rename the current has_locked_children() to __has_locked_children(), make it static and switch the fs/namespace.c users to it. Make has_locked_children() a wrapper for __has_locked_children(), calling the latter under read_seqlock_excl(&mount_lock).
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has_locked_children中的竞争条件，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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 620c266f394932e5decc4b34683a75dfc59dc2f4 ~ 6482c3dccbfb8d20e2856ce67c75856859930b3f -
LinuxLinux 6.11 -

II. Public POCs for CVE-2025-38306

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III. Intelligence Information for CVE-2025-38306

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Same Patch Batch · Linux · 2025-07-10 · 84 CVEs total

CVE-2025-38317wifi: ath12k: Fix buffer overflow in debugfs
CVE-2025-38328jffs2: check jffs2_prealloc_raw_node_refs() result in few other places
CVE-2025-38316wifi: mt76: mt7996: avoid NULL pointer dereference in mt7996_set_monitor()
CVE-2025-38315Bluetooth: btintel: Check dsbr size from EFI variable
CVE-2025-38314virtio-pci: Fix result size returned for the admin command completion
CVE-2025-38311iavf: get rid of the crit lock
CVE-2025-38310seg6: Fix validation of nexthop addresses
CVE-2025-38309drm/xe/vm: move xe_svm_init() earlier
CVE-2025-38308ASoC: Intel: avs: Fix possible null-ptr-deref when initing hw
CVE-2025-38313bus: fsl-mc: fix double-free on mc_dev
CVE-2025-38318perf: arm-ni: Fix missing platform_set_drvdata()
CVE-2025-38319drm/amd/pp: Fix potential NULL pointer dereference in atomctrl_initialize_mc_reg_table
CVE-2025-38320arm64/ptrace: Fix stack-out-of-bounds read in regs_get_kernel_stack_nth()
CVE-2025-38321smb: Log an error when close_all_cached_dirs fails
CVE-2025-38322perf/x86/intel: Fix crash in icl_update_topdown_event()
CVE-2025-38323net: atm: add lec_mutex
CVE-2025-38324mpls: Use rcu_dereference_rtnl() in mpls_route_input_rcu().
CVE-2025-38325ksmbd: add free_transport ops in ksmbd connection
CVE-2025-38326aoe: clean device rq_list in aoedev_downdev()
CVE-2025-38327fgraph: Do not enable function_graph tracer when setting funcgraph-args

Showing top 20 of 84 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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