Vulnerability · Published Feb 16, 2022 · Assigned by redhat
CVE-2021-3760
High 7.8
In plain English
A high-severity use-after-free in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 70.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in the Linux kernel. A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.14.16-1 | DEBIAN-CVE-2021-3760 |
| Debian:13 | linux | 5.14.16-1 | DEBIAN-CVE-2021-3760 |
| Debian:14 | linux | 5.14.16-1 | DEBIAN-CVE-2021-3760 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2021-3760 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2021-3760 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2021-3760 |
Affected products (as reported)
Weakness: CWE-416
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2000585 x_refsource_MISC
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update mailing-list, x_refsource_MLIST
- DSA-5096 vendor-advisory, x_refsource_DEBIAN
- https://security.netapp.com/advisory/ntap-20220318-0007/ x_refsource_CONFIRM