5.5

CVE-2021-47442

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.13 < 4.4.290
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.288
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.252
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.213
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.155
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.75
Linux ≫ Linux Kernel Version >= 5.11 < 5.14.14
Linux ≫ Linux Kernel Version 5.15 Update rc1
Linux ≫ Linux Kernel Version 5.15 Update rc2
Linux ≫ Linux Kernel Version 5.15 Update rc3
Linux ≫ Linux Kernel Version 5.15 Update rc4
Linux ≫ Linux Kernel Version 5.15 Update rc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.13
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212
Patch
https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7
Patch
https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
Patch
https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329
Patch
https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
Patch
https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
Patch
https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
Patch
https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873
Patch