CVE-2021-47442
NFC: digital: fix possible memory leak in digital_in_send_sdd_req()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.13
References 8
git.kernel.org
- stable/c/74569c78aa84f8c958f1334b465bc530906ec99a
- stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9
- stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873
- stable/c/071bdef36391958c89af5fa2172f691b31baa212
- stable/c/2bde4aca56db9fe25405d39ddb062531493a65db
- stable/c/50cb95487c265187289810addec5093d4fed8329
- stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86
- stable/c/291c932fc3692e4d211a445ba8aa35663831bac7