CVE-2025-71095— net: stmmac: fix the crash issue for zero copy XDP_TX action
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I. Basic Information for CVE-2025-71095
Vulnerability Information
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Vulnerability Title
net: stmmac: fix the crash issue for zero copy XDP_TX action
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix the crash issue for zero copy XDP_TX action There is a crash issue when running zero copy XDP_TX action, the crash log is shown below. [ 216.122464] Unable to handle kernel paging request at virtual address fffeffff80000000 [ 216.187524] Internal error: Oops: 0000000096000144 [#1] SMP [ 216.301694] Call trace: [ 216.304130] dcache_clean_poc+0x20/0x38 (P) [ 216.308308] __dma_sync_single_for_device+0x1bc/0x1e0 [ 216.313351] stmmac_xdp_xmit_xdpf+0x354/0x400 [ 216.317701] __stmmac_xdp_run_prog+0x164/0x368 [ 216.322139] stmmac_napi_poll_rxtx+0xba8/0xf00 [ 216.326576] __napi_poll+0x40/0x218 [ 216.408054] Kernel panic - not syncing: Oops: Fatal exception in interrupt For XDP_TX action, the xdp_buff is converted to xdp_frame by xdp_convert_buff_to_frame(). The memory type of the resulting xdp_frame depends on the memory type of the xdp_buff. For page pool based xdp_buff it produces xdp_frame with memory type MEM_TYPE_PAGE_POOL. For zero copy XSK pool based xdp_buff it produces xdp_frame with memory type MEM_TYPE_PAGE_ORDER0. However, stmmac_xdp_xmit_back() does not check the memory type and always uses the page pool type, this leads to invalid mappings and causes the crash. Therefore, check the xdp_buff memory type in stmmac_xdp_xmit_back() to fix this issue.
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stmmac_xdp_xmit_xdpf函数中零拷贝XDP_TX操作的内存类型处理不当，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-2025-71095
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2026-01-13 · 93 CVEs total
| CVE-2025-71089 | 7.8 HIGH | iommu: disable SVA when CONFIG_X86 is set |
| CVE-2025-71067 | ntfs: set dummy blocksize to read boot_block when mounting | |
| CVE-2025-68822 | Input: alps - fix use-after-free bugs caused by dev3_register_work | |
| CVE-2025-68820 | ext4: xattr: fix null pointer deref in ext4_raw_inode() | |
| CVE-2025-68819 | media: dvb-usb: dtv5100: fix out-of-bounds in dtv5100_i2c_msg() | |
| CVE-2025-68818 | scsi: Revert "scsi: qla2xxx: Perform lockless command completion in abort path" | |
| CVE-2025-68817 | ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency | |
| CVE-2025-68816 | net/mlx5: fw_tracer, Validate format string parameters | |
| CVE-2025-68821 | fuse: fix readahead reclaim deadlock | |
| CVE-2025-71068 | svcrdma: bound check rq_pages index in inline path | |
| CVE-2025-71076 | drm/xe/oa: Limit num_syncs to prevent oversized allocations | |
| CVE-2025-71069 | f2fs: invalidate dentry cache on failed whiteout creation | |
| CVE-2025-71071 | iommu/mediatek: fix use-after-free on probe deferral | |
| CVE-2025-71070 | ublk: clean up user copy references on ublk server exit | |
| CVE-2025-71072 | shmem: fix recovery on rename failures | |
| CVE-2025-71073 | Input: lkkbd - disable pending work before freeing device | |
| CVE-2025-71074 | functionfs: fix the open/removal races | |
| CVE-2025-71075 | scsi: aic94xx: fix use-after-free in device removal path | |
| CVE-2025-71077 | tpm: Cap the number of PCR banks | |
| CVE-2025-71078 | powerpc/64s/slb: Fix SLB multihit issue during SLB preload |
Showing top 20 of 93 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-2025-71095
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