CVE-2026-43290— media: uvcvideo: Return queued buffers on start_streaming() failure
Possible ATT&CK Techniques 1AI
T1206Affected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 7dd56c47784a466b03df62ca766207f483353cdc< 69c32df23bed6001864779b965fa009bcd9a26de | affected |
7dd56c47784a466b03df62ca766207f483353cdc< a5c01f15809d1d2c319d8bfb11d071df11ab731c | affected | ||
7dd56c47784a466b03df62ca766207f483353cdc< 4cf3b6fd54ebb1ebc977bdc47fb6cfcf9a471a22 | affected | ||
6.17 | affected | ||
< 6.17 | unaffected | ||
6.18.16≤ 6.18.* | unaffected | ||
6.19.6≤ 6.19.* | unaffected | ||
7.0≤ * | unaffected |
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I. Basic Information for CVE-2026-43290
Vulnerability Information
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Vulnerability Title
media: uvcvideo: Return queued buffers on start_streaming() failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Return queued buffers on start_streaming() failure Return buffers if streaming fails to start due to uvc_pm_get() error. This bug may be responsible for a warning I got running while :; do yavta -c3 /dev/video0; done on an xHCI controller which failed under this workload. I had no luck reproducing this warning again to confirm. xhci_hcd 0000:09:00.0: HC died; cleaning up usb 13-2: USB disconnect, device number 2 WARNING: CPU: 2 PID: 29386 at drivers/media/common/videobuf2/videobuf2-core.c:1803 vb2_start_streaming+0xac/0x120
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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uvcvideo在start_streaming失败时未返回缓冲队列，可能导致警告触发。
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-2026-43290
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-43290 (3)
Same Patch Batch · Linux · 2026-05-08 · 197 CVEs total
| CVE-2026-43341 | 9.8 CRITICAL | net/ipv6: ioam6: prevent schema length wraparound in trace fill |
| CVE-2026-43402 | 9.8 CRITICAL | kthread: consolidate kthread exit paths to prevent use-after-free |
| CVE-2026-43414 | 9.8 CRITICAL | scsi: qla2xxx: Completely fix fcport double free |
| CVE-2026-43384 | 9.8 CRITICAL | net/tcp-ao: Fix MAC comparison to be constant-time |
| CVE-2026-43304 | 9.8 CRITICAL | libceph: define and enforce CEPH_MAX_KEY_LEN |
| CVE-2026-43379 | 9.8 CRITICAL | ksmbd: fix use-after-free in smb_lazy_parent_lease_break_close() |
| CVE-2026-43376 | 9.8 CRITICAL | ksmbd: fix use-after-free by using call_rcu() for oplock_info |
| CVE-2026-43465 | 9.8 CRITICAL | net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ |
| CVE-2026-43378 | 9.8 CRITICAL | smb: server: fix use-after-free in smb2_open() |
| CVE-2026-43383 | 9.4 CRITICAL | net/tcp-md5: Fix MAC comparison to be constant-time |
| CVE-2026-43406 | 9.1 CRITICAL | libceph: prevent potential out-of-bounds reads in process_message_header() |
| CVE-2026-43407 | 9.1 CRITICAL | libceph: Fix potential out-of-bounds access in ceph_handle_auth_reply() |
| CVE-2026-43322 | 8.8 HIGH | Bluetooth: hci_sync: Fix UAF in le_read_features_complete |
| CVE-2026-43334 | 8.8 HIGH | Bluetooth: SMP: force responder MITM requirements before building the pairing response |
| CVE-2026-43284 | 8.8 HIGH | xfrm: esp: avoid in-place decrypt on shared skb frags |
| CVE-2026-43403 | 8.8 HIGH | nsfs: tighten permission checks for ns iteration ioctls |
| CVE-2026-43391 | 8.8 HIGH | nsfs: tighten permission checks for handle opening |
| CVE-2026-43291 | 8.3 HIGH | net: nfc: nci: Fix parameter validation for packet data |
| CVE-2026-43466 | 8.2 HIGH | net/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery |
| CVE-2026-43452 | 8.2 HIGH | netfilter: x_tables: guard option walkers against 1-byte tail reads |
Showing top 20 of 197 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
Same vendor: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
V. Comments for CVE-2026-43290
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