CVE-2022-50252— igb: Do not free q_vector unless new one was allocated
Affected Version Matrix 26
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 72ddef0506da852dc82f078f37ced8ef4d74a2bf< 64ca1969599857143e91aeec4440640656100803 | affected |
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 0200f0fbb11e359cc35af72ab10b2ec224e6f633 | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 68e8adbcaf7a8743e473343b38b9dad66e2ac6f3 | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< f96bd8adc8adde25390965a8c1ee81b73cb62075 | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 3cb18dea11196fb4a06f78294cec5e61985e1aff | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 314f7092b27749bdde44c14095b5533afa2a3bc8 | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 6e399577bd397a517df4b938601108c63769ce0a | affected | ||
72ddef0506da852dc82f078f37ced8ef4d74a2bf< 56483aecf6b22eb7dff6315b3a174688c6ad494c | affected | ||
| … +18 more rows | |||
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I. Basic Information for CVE-2022-50252
Vulnerability Information
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Vulnerability Title
igb: Do not free q_vector unless new one was allocated
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: igb: Do not free q_vector unless new one was allocated Avoid potential use-after-free condition under memory pressure. If the kzalloc() fails, q_vector will be freed but left in the original adapter->q_vector[v_idx] array position.
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，该漏洞源于内存压力下kzalloc失败时未正确处理q_vector释放，可能导致释放后重用。
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-2022-50252
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total
| CVE-2022-50293 | btrfs: do not BUG_ON() on ENOMEM when dropping extent items for a range | |
| 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-2022-50292 | drm/msm/dp: fix bridge lifetime | |
| CVE-2022-50303 | drm/amdkfd: Fix double release compute pasid | |
| 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-2022-50302 | lockd: set other missing fields when unlocking files | |
| CVE-2022-50299 | md: Replace snprintf with scnprintf | |
| CVE-2022-50304 | mtd: core: fix possible resource leak in init_mtd() |
Showing top 20 of 210 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
Same vendor: Linux
- CVE-2026-45836
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndti - CVE-2026-45835
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_conne - CVE-2026-45834
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_cha - CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans
V. Comments for CVE-2022-50252
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