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CVE-2021-47442

UNKNOWN
Published 2024-05-22T06:19:36.228Z
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Expert Analysis

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No CVSS data available

Description

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

NFC: digital: fix possible memory leak in digital_in_send_sdd_req()

'skb' is allocated in digital_in_send_sdd_req(), but not free when
digital_in_send_cmd() failed, which will cause memory leak. Fix it
by freeing 'skb' if digital_in_send_cmd() return failed.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c 2c66daecc4092e6049673c281b2e6f0d5e59a94c
Linux

Linux

Affected Versions:

3.13 0 4.4.290 4.9.288 4.14.252 4.19.213 5.4.155 5.10.75 5.14.14 5.15

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-fh33-v9vq-826f

Advisory Details

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47442
WEB https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212
WEB https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7
WEB https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
WEB https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329
WEB https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
WEB https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
WEB https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
WEB https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873

Advisory provided by GitHub Security Advisory Database. Published: May 22, 2024, Modified: January 7, 2025

References

https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873
https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212
https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329
https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7
Published: 2024-05-22T06:19:36.228Z
Last Modified: 2025-05-04T07:10:57.734Z
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