CVE-2022-50329— block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a< 1425f1bb5df5239021fd09ebc2a5e8070e705d36 | affected |
094f3d9314d67691cb21ba091c1b528f6e3c4893< 7949b0df3dd9f4817ed4a4e989fa9ee81df6205f | affected | ||
b22fd72bfebda3956efc4431b60ddfc0a51e03e0< cfe5b38c37720313eff0dec5517442c7ab3c9a20 | affected | ||
761564d93c8265f65543acf0a576b32d66bfa26a< 1ed959fef5b1c6f1a7a3fbea543698c30ebd6678 | affected | ||
64dc8c732f5c2b406cc752e6aaa1bd5471159cab< 246cf66e300b76099b5dbd3fdd39e9a5dbc53f02 | affected | ||
5.15.86< 5.15.87 | affected | ||
6.0.16< 6.0.17 | affected | ||
6.1.2< 6.1.3 | affected |
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I. Basic Information for CVE-2022-50329
Vulnerability Information
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Vulnerability Title
block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq Commit 64dc8c732f5c ("block, bfq: fix possible uaf for 'bfqq->bic'") will access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq() can free bfqq first, and then call bic_set_bfqq(), which will cause uaf. Fix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq().
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bfq_exit_icq_bfqq中bfqq释放顺序不当，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-2022-50329
| # | 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-2022-50292 | 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-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i - CVE-2026-64191
i2c: stub: Reject I2C block transfers with invalid length
Same vendor: Linux
- CVE-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i - CVE-2026-64191
i2c: stub: Reject I2C block transfers with invalid length
V. Comments for CVE-2022-50329
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