CVE-2025-38487: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2025-38487 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 53 · Related 47Timeline
- 28-07-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: soc: aspeed: lpc-snoop: Don't disable channels that aren't enabled Mitigate e.g. the following: # echo 1e789080.lpc-snoop > /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind ... [ 120.363594] Unable to handle kernel NULL pointer dereference at virtual address 00000004 when write [ 120.373866] [00000004] *pgd=00000000 [ 120.377910] Internal error: Oops: 805 [#1] SMP ARM [ 120.383306] CPU: 1 UID: 0 PID: 315 Comm: sh Not tainted 6.15.0-rc1-00009-g926217bc7d7d-dirty #20 NONE ... [ 120.679543] Call trace: [ 120.679559] misc_deregister from aspeed_lpc_snoop_remove+0x84/0xac [ 120.692462] aspeed_lpc_snoop_remove from platform_remove+0x28/0x38 [ 120.700996] platform_remove from device_release_driver_internal+0x188/0x200 ...
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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:H
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
+0.02 pp
From 0.15% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu146 products
- linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.147-1 | < 6.12.41-1 | < 6.16.3-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < 62e51f51d97477ea4e78c82e7076a171dac86c75 | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < 9e1d2b97f5e2a36a2fd30a8bd30ead9dac5e3a51 | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < 166afe964e8433d52c641f5d1c09102bacee9a92 | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < dc5598482e2d3b234f6d72d6f5568e24f603e51a | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < 329a80adc0e5f815d0514a6d403aaaf0995cd9be | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < b361598b7352f02456619a6105c7da952ef69f8f | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < ac10ed9862104936a412f8b475c869e99f048448 | ≥ 9f4f9ae81d0affc182f54dd00285ddb90e0b3ae1, < 56448e78a6bb4e1a8528a0e2efe94eff0400c247 | 4.13
- linux_kernel≥ 4.13, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.147 | ≥ 6.2, < 6.6.100 | ≥ 6.7, < 6.12.40 | ≥ 6.13, < 6.15.8 | 6.16:rc1 | 6.16:rc2 | 6.16:rc3 | 6.16:rc4 | 6.16:rc5 | 6.16:rc6
3 vendors · 150 products
References
46 links- lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory