CVE-2022-50321— wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 270a6c1f65fe68a28a5d39cd405592c550b496c7< 4c55fdebc1c358de96bfab52ed309d58a3ba66ef | affected |
270a6c1f65fe68a28a5d39cd405592c550b496c7< e5d01e85cf46628647cd696cb72ba4659b18967f | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< d869a189505224601e310c7769cb90b0e2f60b31 | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< e08e6812efb6a8c676e733de0518594d1517e0d9 | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< e8ef89e5b89ee041a94eecfb6c31fcc237f9168c | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< 7f159116d620615779adbf88a5d94713702216d8 | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< 3a4d18318f473e97d628f410215b3fac32d07aed | affected | ||
270a6c1f65fe68a28a5d39cd405592c550b496c7< 212fde3fe76e962598ce1d47b97cc78afdfc71b3 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2022-50321
Vulnerability Information
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Vulnerability Title
wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it. Compile tested only.
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brcmf_netdev_start_xmit函数在pskb_expand_head失败时未释放skb，可能导致内存泄漏。
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-2022-50321
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total
| CVE-2022-50235 | 9.8 CRITICAL | NFSD: Protect against send buffer overflow in NFSv2 READDIR |
| CVE-2022-50335 | 9.8 CRITICAL | 9p: set req refcount to zero to avoid uninitialized usage |
| CVE-2023-53192 | 9.8 CRITICAL | vxlan: Fix nexthop hash size |
| CVE-2023-53253 | 8.8 HIGH | HID: nvidia-shield: Reference hid_device devm allocation of input_dev name |
| CVE-2023-53226 | 8.8 HIGH | wifi: mwifiex: Fix OOB and integer underflow when rx packets |
| CVE-2022-50241 | 8.8 HIGH | NFSD: fix use-after-free on source server when doing inter-server copy |
| CVE-2023-53194 | 8.4 HIGH | fs/ntfs3: Add length check in indx_get_root |
| CVE-2023-53213 | 8.1 HIGH | wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies() |
| CVE-2023-53186 | 8.1 HIGH | skbuff: Fix a race between coalescing and releasing SKBs |
| CVE-2023-53254 | 7.8 HIGH | cacheinfo: Fix shared_cpu_map to handle shared caches at different levels |
| CVE-2023-53219 | 7.8 HIGH | media: netup_unidvb: fix use-after-free at del_timer() |
| CVE-2023-53252 | 7.8 HIGH | Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync |
| CVE-2023-53170 | 7.8 HIGH | net: dsa: Removed unneeded of_node_put in felix_parse_ports_node |
| CVE-2023-53176 | 7.8 HIGH | serial: 8250: Reinit port->pm on port specific driver unbind |
| CVE-2023-53178 | 7.8 HIGH | mm: fix zswap writeback race condition |
| CVE-2023-53179 | 7.8 HIGH | netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c |
| CVE-2022-50315 | 7.8 HIGH | ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS |
| CVE-2023-53184 | 7.8 HIGH | arm64/sme: Set new vector length before reallocating |
| CVE-2023-53187 | 7.8 HIGH | btrfs: fix use-after-free of new block group that became unused |
| CVE-2025-39800 | 7.8 HIGH | btrfs: abort transaction on unexpected eb generation at btrfs_copy_root() |
Showing top 20 of 210 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-68428
KVM: x86/mmu: Fix use-after-free on vendor module reload - CVE-2026-68427
gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_ma - CVE-2026-68426
xfrm: fix stale skb->prev after async crypto steals a GSO se - CVE-2026-68425
IB/mad: Drop unmatched RMPP responses before reassembly - CVE-2026-68424
mtd: virt_concat: fix use-after-free in mtd_virt_concat_dest
Same vendor: Linux
- CVE-2026-68428
KVM: x86/mmu: Fix use-after-free on vendor module reload - CVE-2026-68427
gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_ma - CVE-2026-68426
xfrm: fix stale skb->prev after async crypto steals a GSO se - CVE-2026-68425
IB/mad: Drop unmatched RMPP responses before reassembly - CVE-2026-68424
mtd: virt_concat: fix use-after-free in mtd_virt_concat_dest
V. Comments for CVE-2022-50321
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