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CVE-2025-38271— net: prevent a NULL deref in rtnl_create_link()

AI Predicted 7.8 Difficulty: Moderate EPSS 0.14% · P4

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux7e4d784f5810bba76c4593791028e13cce4af547< 8a29ae8428a5c26f0b4471c2057d9e9415c53109affected
7e4d784f5810bba76c4593791028e13cce4af547< feafc73f3e6ae73371777a037d41d2e31c929636affected
6.15affected
< 6.15unaffected
6.15.3≤ 6.15.*unaffected
6.16≤ *unaffected
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I. Basic Information for CVE-2025-38271

Vulnerability Information
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Vulnerability Title
net: prevent a NULL deref in rtnl_create_link()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: prevent a NULL deref in rtnl_create_link() At the time rtnl_create_link() is running, dev->netdev_ops is NULL, we must not use netdev_lock_ops() or risk a NULL deref if CONFIG_NET_SHAPER is defined. Use netif_set_group() instead of dev_set_group(). RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline] RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline] RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82 Call Trace: <TASK> rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674 rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813 __rtnl_newlink net/core/rtnetlink.c:3940 [inline] rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline]
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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rtnl_create_link中的空指针取消引用问题，可能导致系统崩溃。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 7e4d784f5810bba76c4593791028e13cce4af547 ~ 8a29ae8428a5c26f0b4471c2057d9e9415c53109 -
LinuxLinux 6.15 -

II. Public POCs for CVE-2025-38271

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III. Intelligence Information for CVE-2025-38271

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

CVE-2025-383259.8 CRITICALksmbd: add free_transport ops in ksmbd connection
CVE-2025-382908.8 HIGHwifi: ath12k: fix node corruption in ar->arvifs list
CVE-2025-382918.8 HIGHwifi: ath12k: Prevent sending WMI commands to firmware during firmware crash
CVE-2025-382838.8 HIGHhisi_acc_vfio_pci: bugfix live migration function without VF device driver
CVE-2025-382938.8 HIGHwifi: ath11k: fix node corruption in ar->arvifs list
CVE-2025-382928.8 HIGHwifi: ath12k: fix invalid access to memory
CVE-2025-383438.3 HIGHwifi: mt76: mt7996: drop fragments with multicast or broadcast RA
CVE-2025-383337.8 HIGHf2fs: fix to bail out in get_new_segment()
CVE-2025-383037.8 HIGHBluetooth: eir: Fix possible crashes on eir_create_adv_data
CVE-2025-383417.8 HIGHeth: fbnic: avoid double free when failing to DMA-map FW msg
CVE-2025-382767.8 HIGHfs/dax: Fix "don't skip locked entries when scanning entries"
CVE-2025-383467.8 HIGHftrace: Fix UAF when lookup kallsym after ftrace disabled
CVE-2025-382707.8 HIGHnet: drv: netdevsim: don't napi_complete() from netpoll
CVE-2025-383217.8 HIGHsmb: Log an error when close_all_cached_dirs fails
CVE-2025-383067.8 HIGHfs/fhandle.c: fix a race in call of has_locked_children()
CVE-2025-382737.8 HIGHnet: tipc: fix refcount warning in tipc_aead_encrypt
CVE-2025-382787.8 HIGHocteontx2-pf: QOS: Refactor TC_HTB_LEAF_DEL_LAST callback
CVE-2025-383397.8 HIGHpowerpc/bpf: fix JIT code size calculation of bpf trampoline
CVE-2025-383177.8 HIGHwifi: ath12k: Fix buffer overflow in debugfs
CVE-2025-382877.5 HIGHIB/cm: Drop lockdep assert and WARN when freeing old msg

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38271

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