CVE-2022-50643— cifs: Fix xid leak in cifs_copy_file_range()
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3< bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2 | affected |
4e8aea30f7751ce7c4b158aa0c04e7744d281cc3< 27cfd3afaab000a455194338db3b7f2031fde9d0 | affected | ||
4e8aea30f7751ce7c4b158aa0c04e7744d281cc3< dc283313d1ca378d787cb55c1e580dc3de852680 | affected | ||
4e8aea30f7751ce7c4b158aa0c04e7744d281cc3< 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 | affected | ||
5.7 | affected | ||
< 5.7 | unaffected | ||
5.10.152≤ 5.10.* | unaffected | ||
5.15.76≤ 5.15.* | unaffected | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2022-50643
Vulnerability Information
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Vulnerability Title
cifs: Fix xid leak in cifs_copy_file_range()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.
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xid泄漏，可能导致资源耗尽。
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-2022-50643
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-12-09 · 152 CVEs total
| CVE-2025-40343 | 9.8 CRITICAL | nvmet-fc: avoid scheduling association deletion twice |
| CVE-2025-40342 | 8.8 HIGH | nvme-fc: use lock accessing port_state and rport state |
| CVE-2025-40336 | 8.8 HIGH | drm/gpusvm: fix hmm_pfn_to_map_order() usage |
| CVE-2025-40328 | 8.8 HIGH | smb: client: fix potential UAF in smb2_close_cached_fid() |
| CVE-2025-40337 | 8.2 HIGH | net: stmmac: Correctly handle Rx checksum offload errors |
| CVE-2025-40344 | 7.8 HIGH | ASoC: Intel: avs: Disable periods-elapsed work when closing PCM |
| CVE-2025-40331 | 7.8 HIGH | sctp: Prevent TOCTOU out-of-bounds write |
| CVE-2025-40334 | 7.3 HIGH | drm/amdgpu: validate userq buffer virtual address and size |
| CVE-2023-53826 | ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show() | |
| CVE-2023-53842 | ASoC: codecs: wcd-mbhc-v2: fix resource leaks on component remove | |
| CVE-2023-53827 | Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} | |
| CVE-2023-53828 | Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor() | |
| CVE-2023-53829 | f2fs: flush inode if atomic file is aborted | |
| CVE-2023-53830 | platform/x86: think-lmi: Fix memory leak when showing current settings | |
| CVE-2023-53831 | net: read sk->sk_family once in sk_mc_loop() | |
| CVE-2023-53832 | md/raid10: fix null-ptr-deref in raid10_sync_request | |
| CVE-2023-53841 | devlink: report devlink_port_type_warn source device | |
| CVE-2023-53839 | dccp: fix data-race around dp->dccps_mss_cache | |
| CVE-2023-53840 | usb: early: xhci-dbc: Fix a potential out-of-bound memory access | |
| CVE-2023-53838 | f2fs: synchronize atomic write aborts |
Showing top 20 of 152 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-2022-50643
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