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🛡️ CVE-2022-50854 — kernel

⚪ Unknown ✅ No Known Exploit NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()

In the Linux kernel, the following vulnerability has been resolved:

nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()

skb should be free in virtual_nci_send(), otherwise kmemleak will report

memleak.

Steps for reproduction (simulated in qemu):

cd tools/testing/selftests/nci

make

./nci_dev

BUG: memory leak

unreferenced object 0xffff888107588000 (size 208):

comm "nci_dev", pid 206, jiffies 4294945376 (age 368.248s)

hex dump (first 32 bytes):

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

backtrace:

[<000000008d94c8fd>] __alloc_skb+0x1da/0x290

[<00000000278bc7f8>] nci_send_cmd+0xa3/0x350

[<0000000081256a22>] nci_reset_req+0x6b/0xa0

[<000000009e721112>] __nci_request+0x90/0x250

[<000000005d556e59>] nci_dev_up+0x217/0x5b0

[<00000000e618ce62>] nfc_dev_up+0x114/0x220

[<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0

[<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0

[<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640

[<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350

[<00000000440cfb1e>] genl_rcv+0x24/0x40

[<0000000062593b40>] netlink_unicast+0x43f/0x640

[<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0

[<000000003272487f>] __sys_sendto+0x324/0x370

[<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0

[<000000001e437841>] do_syscall_64+0x3f/0x90

Affected software

CVE-2022-50854 is recorded against 2 packages.

  • kernel (from 5.16.0 up to 6.0.7)
  • unknown

Timeline and source

Published on 30 December 2025 and last revised on 12 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

Other advisories for this package

kernel has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2022-50854 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-12-30
Updated 2026-08-20
Modified 2026-08-12
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel 5.16.0 6.0.7
unknown — —

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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