CVE-2025-37820— xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()
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I. Basic Information for CVE-2025-37820
Vulnerability Information
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Vulnerability Title
xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdp_convert_buff_to_frame() The function xdp_convert_buff_to_frame() may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or invalid data. Failing to check for NULL may lead to a NULL pointer dereference if the result is used later in processing, potentially causing crashes, data corruption, or undefined behavior. On XDP redirect failure, the associated page must be released explicitly if it was previously retained via get_page(). Failing to do so may result in a memory leak, as the pages reference count is not decremented.
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，该漏洞源于空指针取消引用，可能导致内核崩溃。
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
II. Public POCs for CVE-2025-37820
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Same Patch Batch · Linux · 2025-05-08 · 33 CVEs total
| CVE-2025-37818 | LoongArch: Return NULL from huge_pte_offset() for invalid PMD | |
| CVE-2025-37833 | net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads | |
| CVE-2025-37834 | mm/vmscan: don't try to reclaim hwpoison folio | |
| CVE-2025-37831 | cpufreq: apple-soc: Fix null-ptr-deref in apple_soc_cpufreq_get_rate() | |
| CVE-2025-37830 | cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate() | |
| CVE-2025-37829 | cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate() | |
| CVE-2025-37828 | scsi: ufs: mcq: Add NULL check in ufshcd_mcq_abort() | |
| CVE-2025-37826 | scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer() | |
| CVE-2025-37827 | btrfs: zoned: return EIO on RAID1 block group write pointer mismatch | |
| CVE-2025-37825 | nvmet: fix out-of-bounds access in nvmet_enable_port | |
| CVE-2025-37823 | net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too | |
| CVE-2025-37824 | tipc: fix NULL pointer dereference in tipc_mon_reinit_self() | |
| CVE-2025-37821 | sched/eevdf: Fix se->slice being set to U64_MAX and resulting crash | |
| CVE-2025-37822 | riscv: uprobes: Add missing fence.i after building the XOL buffer | |
| CVE-2025-37819 | irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode() | |
| CVE-2025-37817 | mcb: fix a double free bug in chameleon_parse_gdd() | |
| CVE-2025-37800 | driver core: fix potential NULL pointer dereference in dev_uevent() | |
| CVE-2025-37816 | mei: vsc: Fix fortify-panic caused by invalid counted_by() use | |
| CVE-2025-37815 | misc: microchip: pci1xxxx: Fix Kernel panic during IRQ handler registration | |
| CVE-2025-37814 | tty: Require CAP_SYS_ADMIN for all usages of TIOCL_SELMOUSEREPORT |
Showing top 20 of 33 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2025-37820
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