CVE-2025-37800: driver core: fix potential NULL pointer dereference in dev_uevent()
Vulnerability summary
CVE-2025-37800 is a high (CVSS 7.1) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.8% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 33 · Related 31Timeline
- 08-05-2025PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential NULL pointer dereference in dev_uevent() If userspace reads "uevent" device attribute at the same time as another threads unbinds the device from its driver, change to dev->driver from a valid pointer to NULL may result in crash. Fix this by using READ_ONCE() when fetching the pointer, and take bus' drivers klist lock to make sure driver instance will not disappear while we access it. Use WRITE_ONCE() when setting the driver pointer to ensure there is no tearing.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu141 products
- linuxAll versions (No fix recorded) | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 16574dccd8f62dc1b585325f8a6a0aab10047ed8, < abe56be73eb10a677d16066f65ff9d30251f5eee | ≥ 16574dccd8f62dc1b585325f8a6a0aab10047ed8, < 2b344e779d9afd0fcb5ee4000e4d0fc7d8d867eb | ≥ 16574dccd8f62dc1b585325f8a6a0aab10047ed8, < 3781e4b83e174364998855de777e184cf0b62c40 | ≥ 16574dccd8f62dc1b585325f8a6a0aab10047ed8, < 18daa52418e7e4629ed1703b64777294209d2622 | 2.6.22
- linux_kernel< 6.6.89 | ≥ 6.7, < 6.12.26 | ≥ 6.13, < 6.14.5 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3
Debian1 product
- linuxAll versions (No fix recorded) | < 6.12.27-1
3 vendors · 144 products