CVE-2022-50623: linux
CVSS: 7.8v3.1HighDeferred
AliasesUBUNTU-CVE-2022-50623DEBIAN-CVE-2022-50623
Published 08-12-2025Last modified 05-08-2026
Vulnerability summary
CVE-2022-50623 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 08-12-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: fpga: prevent integer overflow in dfl_feature_ioctl_set_irq() The "hdr.count * sizeof(s32)" multiplication can overflow on 32 bit systems leading to memory corruption. Use array_size() to fix that.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 21-09-2026
21-09-202621-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu103 products
- linux< 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1030.34
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.0.3-1
Linux1 product
- linux≥ 322b598be4d9b9090cda560c4caab78704615ab4, < f59861946fa51bcc1f305809e4ebc1013b0ee61c | ≥ 322b598be4d9b9090cda560c4caab78704615ab4, < b94605f5cb99e90c8ca91523597a40e1bd59546b | ≥ 322b598be4d9b9090cda560c4caab78704615ab4, < 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 | ≥ 322b598be4d9b9090cda560c4caab78704615ab4, < 940253af8b3865b76de8d1b46bcd4a700104852e | ≥ 322b598be4d9b9090cda560c4caab78704615ab4, < 939bc5453b8cbdde9f1e5110ce8309aedb1b501a | 5.9
3 vendors · 105 products