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CVE-2025-38469— KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls

EPSS 0.02% · P7
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I. Basic Information for CVE-2025-38469

Vulnerability Information
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Vulnerability Title
KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls kvm_xen_schedop_poll does a kmalloc_array() when a VM polls the host for more than one event channel potr (nr_ports > 1). After the kmalloc_array(), the error paths need to go through the "out" label, but the call to kvm_read_guest_virt() does not. [Adjusted commit message. - Paolo]
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Xen schedop poll超调用模拟中的清理逻辑错误。
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 92c58965e9656dc6e682a8ffe520fac0fb256d13 ~ 3ee59c38ae7369ad1f7b846e05633ccf0d159fab -
LinuxLinux 6.2 -

II. Public POCs for CVE-2025-38469

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III. Intelligence Information for CVE-2025-38469

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Same Patch Batch · Linux · 2025-07-28 · 29 CVEs total

CVE-2025-38484iio: backend: fix out-of-bound write
CVE-2025-38497usb: gadget: configfs: Fix OOB read on empty string write
CVE-2025-38496dm-bufio: fix sched in atomic context
CVE-2025-38495HID: core: ensure the allocated report buffer can contain the reserved report ID
CVE-2025-38494HID: core: do not bypass hid_hw_raw_request
CVE-2025-38493tracing/osnoise: Fix crash in timerlat_dump_stack()
CVE-2025-38492netfs: Fix race between cache write completion and ALL_QUEUED being set
CVE-2025-38491mptcp: make fallback action and fallback decision atomic
CVE-2025-38490net: libwx: remove duplicate page_pool_put_full_page()
CVE-2025-38489s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again
CVE-2025-38488smb: client: fix use-after-free in crypt_message when using async crypto
CVE-2025-38487soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled
CVE-2025-38485iio: accel: fxls8962af: Fix use after free in fxls8962af_fifo_flush
CVE-2025-38486soundwire: Revert "soundwire: qcom: Add set_channel_map api support"
CVE-2025-38468net/sched: Return NULL when htb_lookup_leaf encounters an empty rbtree
CVE-2025-38483comedi: das16m1: Fix bit shift out of bounds
CVE-2025-38482comedi: das6402: Fix bit shift out of bounds
CVE-2025-38481comedi: Fail COMEDI_INSNLIST ioctl if n_insns is too large
CVE-2025-38480comedi: Fix use of uninitialized data in insn_rw_emulate_bits()
CVE-2025-38478comedi: Fix initialization of data for instructions that write to subdevice

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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