CVE-2022-49011: hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new()
Vulnerability summary
CVE-2022-49011 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 9Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it after using to avoid refcount leak.
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
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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.
Ubuntu113 products
- linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 14513ee696a0cd12a19318e433b75a786808adc3, < bb75a0d1223d43f97089841aecb28a9b4de687a9 | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < 0dd1da5a15eeecb2fe4cf131b3216fb455af783c | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < 2f74cffc7c85f770b1b1833dccb03b8cde3be102 | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < ea5844f946b1ec5c0b7c115cd7684f34fd48021b | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < c40db1e5f316792b557d2be37e447c20d9ac4635 | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < 6e035d5a2a6b907cfce9a80c5f442c2e459cd34e | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < f598da27acbeee414679cacd14294db3e273e3d2 | ≥ 14513ee696a0cd12a19318e433b75a786808adc3, < 7dec14537c5906b8bf40fd6fd6d9c3850f8df11d | 3.14
- linux_kernel≥ 3.14, < 4.9.335 | ≥ 4.10, < 4.14.301 | ≥ 4.15, < 4.19.268 | ≥ 4.20, < 5.4.226 | ≥ 5.5, < 5.10.158 | ≥ 5.11, < 5.15.82 | ≥ 5.16, < 6.0.12 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6 | 6.1:rc7
Debian1 product
- linux< 6.0.12-1
3 vendors · 116 products
