Buffer overflow in Linux Kernel
CVE-2022-26490
st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/4fbcc1a4cb20fe26ad0225679c536c80f1648221 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220429-0004/ (Third Party Advisory)
- www.debian.org/security/2022/dsa-5127 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/07/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5173 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-26490?
- CVE-2022-26490 is a high-severity vulnerability in Linux Kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-06.
- How severe is CVE-2022-26490?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-26490 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.