CVE-2021-47442
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…
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.23% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-401
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212Patch
- https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7Patch
- https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65dbPatch
- https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329Patch
- https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Patch
- https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99aPatch
- https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Patch
- https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873Patch
- https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212Patch
- https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7Patch
- https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65dbPatch
- https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329Patch
- https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86Patch
- https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99aPatch
- https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9Patch
- https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.