CVE-2021-47442

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

State: Published
Severity: Not scored
Published: May 22, 2024
Updated: May 11, 2026
Reserved: May 21, 2024

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 74569c78aa84f8c958f1334b465bc530906ec99aAffected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Affected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before fcce6e5255474ca33c27dda0cdf9bf5087278873Affected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 071bdef36391958c89af5fa2172f691b31baa212Affected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 2bde4aca56db9fe25405d39ddb062531493a65dbAffected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 50cb95487c265187289810addec5093d4fed8329Affected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Affected 2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 291c932fc3692e4d211a445ba8aa35663831bac7Affected
LinuxLinux	3.13Affected before 3.13Not affected 4.4.290 through 4.4.Not affected 4.9.288 through 4.9.Not affected 4.14.252 through 4.14.Not affected 4.19.213 through 4.19.Not affected 5.4.155 through 5.4.Not affected 5.10.75 through 5.10.Not affected 5.14.14 through 5.14.*Not affected 5.15 and laterNot affected

Product

Versions

LinuxLinux

2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 74569c78aa84f8c958f1334b465bc530906ec99aAffected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Affected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before fcce6e5255474ca33c27dda0cdf9bf5087278873Affected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 071bdef36391958c89af5fa2172f691b31baa212Affected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 2bde4aca56db9fe25405d39ddb062531493a65dbAffected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 50cb95487c265187289810addec5093d4fed8329Affected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Affected
2c66daecc4092e6049673c281b2e6f0d5e59a94c to before 291c932fc3692e4d211a445ba8aa35663831bac7Affected

LinuxLinux

3.13Affected
before 3.13Not affected
4.4.290 through 4.4.*Not affected
4.9.288 through 4.9.*Not affected
4.14.252 through 4.14.*Not affected
4.19.213 through 4.19.*Not affected
5.4.155 through 5.4.*Not affected
5.10.75 through 5.10.*Not affected
5.14.14 through 5.14.*Not affected
5.15 and laterNot affected

References

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