CVE-2022-48754: phylib: fix potential use-after-free
Vulnerability summary
CVE-2022-48754 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.4% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 10Timeline
- 20-06-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: phylib: fix potential use-after-free Commit bafbdd527d56 ("phylib: Add device reset GPIO support") added call to phy_device_reset(phydev) after the put_device() call in phy_detach(). The comment before the put_device() call says that the phydev might go away with put_device(). Fix potential use-after-free by calling phy_device_reset() before put_device().
CVSS metrics
4 scores · 4 sources · 1 version- 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
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu85 products
- linux< 5.4.0-109.123
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1072.77
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ bafbdd527d569c8200521f2f7579f65a044271be, < 67d271760b037ce0806d687ee6057edc8afd4205 | ≥ bafbdd527d569c8200521f2f7579f65a044271be, < f39027cbada43b33566c312e6be3db654ca3ad17 | ≥ bafbdd527d569c8200521f2f7579f65a044271be, < bd024e36f68174b1793906c39ca16cee0c9295c2 | ≥ bafbdd527d569c8200521f2f7579f65a044271be, < aefaccd19379d6c4620269a162bfb88ff687f289 | ≥ bafbdd527d569c8200521f2f7579f65a044271be, < cb2fab10fc5e7a3aa1bb0a68a3abdcf3e37852af | ≥ bafbdd527d569c8200521f2f7579f65a044271be, < cbda1b16687580d5beee38273f6241ae3725960c | 4.16
- linux_kernel≥ 4.16, < 4.19.228 | ≥ 4.20, < 5.4.176 | ≥ 5.5, < 5.10.96 | ≥ 5.11, < 5.15.19 | ≥ 5.16, < 5.16.5 | 5.17:rc1
Debian1 product
- linux< 5.16.7-1
3 vendors · 88 products
