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CVE-2022-50486— net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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netcp_ndo_start_xmit函数返回类型不匹配，可能导致内核恐慌或线程终止。

EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 84640e27f23041d474c31d3362c3e2185ad68ec2< a447479ea2cf35603b5739ea947885024b901222 affected
84640e27f23041d474c31d3362c3e2185ad68ec2< 17bb9bdf701f3e811a9f4820b08b9538ade2641c affected
84640e27f23041d474c31d3362c3e2185ad68ec2< d837d74eae077cc3ef9e191ba8535b5f602d4673 affected
84640e27f23041d474c31d3362c3e2185ad68ec2< dbe1a6b930ae9647e8ce0b684c903ac67d4398eb affected
84640e27f23041d474c31d3362c3e2185ad68ec2< 5b0b6553bf4ad3a435a57e02c68d6075f384e1be affected
84640e27f23041d474c31d3362c3e2185ad68ec2< a413ebb6049edd881c6427cfa25a7efddd6a4f74 affected
84640e27f23041d474c31d3362c3e2185ad68ec2< 765636e58ba505cfe4927eda7ee83791b1c6402a affected
84640e27f23041d474c31d3362c3e2185ad68ec2< 1e4953b826e12b31995564a459dbd4e9e4604a35 affected
… +12 more rows
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I. Basic Information for CVE-2022-50486

Vulnerability Information
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Vulnerability Title
net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fix return type of netcp_ndo_start_xmit() With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expected function pointer prototype to make sure the call target is valid to help mitigate ROP attacks. If they are not identical, there is a failure at run time, which manifests as either a kernel panic or thread getting killed. A proposed warning in clang aims to catch these at compile time, which reveals: drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing 'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)' [-Werror,-Wincompatible-function-pointer-types-strict] .ndo_start_xmit = netcp_ndo_start_xmit, ^~~~~~~~~~~~~~~~~~~~ 1 error generated. ->ndo_start_xmit() in 'struct net_device_ops' expects a return type of 'netdev_tx_t', not 'int'. Adjust the return type of netcp_ndo_start_xmit() to match the prototype's to resolve the warning and CFI failure.
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netcp_ndo_start_xmit函数返回类型不匹配，可能导致内核恐慌或线程终止。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 84640e27f23041d474c31d3362c3e2185ad68ec2 ~ a447479ea2cf35603b5739ea947885024b901222 -
Linux Linux 4.0 -

II. Public POCs for CVE-2022-50486

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III. Intelligence Information for CVE-2022-50486

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Patches & Fixes for CVE-2022-50486 (9)

Same Patch Batch · Linux · 2025-10-04 · 144 CVEs total

CVE-2025-39932 9.8 CRITICAL smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work)
CVE-2025-39948 9.8 CRITICAL ice: fix Rx page leak on multi-buffer frames
CVE-2025-39946 9.8 CRITICAL tls: make sure to abort the stream if headers are bogus
CVE-2025-39933 9.4 CRITICAL smb: client: let recv_done verify data_offset, data_length and remaining_data_length
CVE-2025-39943 9.4 CRITICAL ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer
CVE-2023-53600 9.1 CRITICAL tunnels: fix kasan splat when generating ipv4 pmtu error
CVE-2023-53615 8.8 HIGH scsi: qla2xxx: Fix deletion race condition
CVE-2025-39952 8.8 HIGH wifi: wilc1000: avoid buffer overflow in WID string configuration
CVE-2023-53589 8.8 HIGH wifi: iwlwifi: mvm: don't trust firmware n_channels
CVE-2023-53586 8.8 HIGH scsi: target: Fix multiple LUN_RESET handling
CVE-2022-50493 8.8 HIGH scsi: qla2xxx: Fix crash when I/O abort times out
CVE-2023-53598 8.4 HIGH bus: mhi: host: Range check CHDBOFF and ERDBOFF
CVE-2023-53566 7.8 HIGH netfilter: nft_set_rbtree: fix null deref on element insertion
CVE-2023-53536 7.8 HIGH blk-crypto: make blk_crypto_evict_key() more robust
CVE-2023-53560 7.8 HIGH tracing/histograms: Add histograms to hist_vars if they have referenced variables
CVE-2023-53559 7.8 HIGH ip_vti: fix potential slab-use-after-free in decode_session6
CVE-2023-53557 7.8 HIGH fprobe: Release rethook after the ftrace_ops is unregistered
CVE-2023-53537 7.8 HIGH f2fs: fix to avoid use-after-free for cached IPU bio
CVE-2023-53539 7.8 HIGH RDMA/rxe: Fix incomplete state save in rxe_requester
CVE-2023-53545 7.8 HIGH drm/amdgpu: unmap and remove csa_va properly

Showing top 20 of 144 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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