CVE-2022-50321— wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Affected 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: NVD (National Vulnerability Database)
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: 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 |
|---|
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No public POC found.
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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total
| CVE-2022-50292 | drm/msm/dp: fix bridge lifetime | |
| CVE-2023-53231 | erofs: Fix detection of atomic context | |
| CVE-2023-53232 | mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data | |
| CVE-2023-53233 | net/smc: fix deadlock triggered by cancel_delayed_work_syn() | |
| CVE-2023-53234 | watchdog: Fix kmemleak in watchdog_cdev_register | |
| CVE-2023-53235 | drm/tests: helpers: Avoid a driver uaf | |
| CVE-2023-53236 | iommufd: Do not corrupt the pfn list when doing batch carry | |
| CVE-2023-53237 | drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v11_0_hw_fini | |
| CVE-2023-53238 | phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe() | |
| CVE-2023-53239 | drm/msm/mdp5: Add check for kzalloc | |
| CVE-2023-53240 | xsk: check IFF_UP earlier in Tx path | |
| CVE-2023-53241 | nfsd: call op_release, even when op_func returns an error | |
| CVE-2023-53242 | thermal/drivers/hisi: Drop second sensor hi3660 | |
| CVE-2022-50291 | kcm: annotate data-races around kcm->rx_psock | |
| CVE-2022-50302 | lockd: set other missing fields when unlocking files | |
| CVE-2022-50299 | md: Replace snprintf with scnprintf | |
| CVE-2022-50300 | btrfs: fix extent map use-after-free when handling missing device in read_one_chunk | |
| CVE-2022-50301 | iommu/omap: Fix buffer overflow in debugfs | |
| CVE-2022-50298 | slimbus: qcom-ngd: cleanup in probe error path | |
| CVE-2022-50303 | drm/amdkfd: Fix double release compute pasid |
Showing top 20 of 210 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
Same vendor: Linux
- CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length - CVE-2026-43489
liveupdate: luo_file: remember retrieve() status - CVE-2026-43487
ata: libata-core: Disable LPM on ST1000DM010-2EP102 - CVE-2026-43488
usb: xhci: Prevent interrupt storm on host controller error
V. Comments for CVE-2022-50321
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