CVE-2022-48686: nvme-tcp: fix UAF when detecting digest errors
Vulnerability summary
CVE-2022-48686 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 53.3% 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 19 · Related 17Timeline
- 03-05-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.
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 · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.70% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu97 products
- linux< 5.4.0-136.153 | < 5.15.0-57.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1093.101 | < 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 3f2304f8c6d6ed97849057bd16fee99e434ca796, < 19816a0214684f70b49b25075ff8c402fdd611d3 | ≥ 3f2304f8c6d6ed97849057bd16fee99e434ca796, < 5914fa32ef1b7766fea933f9eed94ac5c00aa7ff | ≥ 3f2304f8c6d6ed97849057bd16fee99e434ca796, < 13c80a6c112467bab5e44d090767930555fc17a5 | ≥ 3f2304f8c6d6ed97849057bd16fee99e434ca796, < c3eb461aa56e6fa94fb80442ba2586bd223a8886 | ≥ 3f2304f8c6d6ed97849057bd16fee99e434ca796, < 160f3549a907a50e51a8518678ba2dcf2541abea | 5.0
- linux_kernel≥ 5.0, < 5.4.213 | ≥ 5.5, < 5.10.143 | ≥ 5.11, < 5.15.68 | ≥ 5.16, < 5.19.9
Debian1 product
- linux< 5.19.11-1
3 vendors · 100 products
