CVE-2022-50717: nvmet-tcp: add bounds check on Transfer Tag
Vulnerability summary
CVE-2022-50717 is a critical (CVSS 9.8) vulnerability in linux. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 57.1% of scored vulnerabilities.
Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 11Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds check on Transfer Tag ttag is used as an index to get cmd in nvmet_tcp_handle_h2c_data_pdu(), add a bounds check to avoid out-of-bounds access.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.82%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.82% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linux< 5.4.0-139.156 | < 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1096.104 | < 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≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < 0d150ccd55dbfad36f55855b40b381884c98456e | ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < d5bb45f47b37d10f010355686b28c9ebacb361d4 | ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < ec8adf767e1cfa7031f853b8c71ba1963f07df15 | ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < fcf82e4553db911d10234ff2390cfd0e2aa854e4 | ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < 752593d04637ebdc87fd29cba81897f21ae053f0 | ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < b6a545ffa2c192b1e6da4a7924edac5ba9f4ea2b | 5.0
Suse1 product
- kgraft-patch-SLE12-SP5_Update_76&distro=SUSE Linux Enterprise Live Patching 12 SP5< 2-2.1
4 vendors · 119 products