CVE-2022-48896: ixgbe: fix pci device refcount leak
Vulnerability summary
CVE-2022-48896 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15% 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 8 · Related 8Timeline
- 21-08-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix pci device refcount leak As the comment of pci_get_domain_bus_and_slot() says, it returns a PCI device with refcount incremented, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). In ixgbe_get_first_secondary_devfn() and ixgbe_x550em_a_has_mii(), pci_dev_put() is called to avoid 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 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.
Ubuntu108 products
- linux< 5.4.0-144.161 | < 5.15.0-70.77
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1097.105 | < 5.15.0-1034.38
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 8fa10ef01260937eb540b4e9bbc3efa023595993, < 53cefa802f070d46c0c518f4865be2c749818a18 | ≥ 8fa10ef01260937eb540b4e9bbc3efa023595993, < 112df4cd2b09acd64bcd18f5ef83ba5d07b34bf0 | ≥ 8fa10ef01260937eb540b4e9bbc3efa023595993, < 4c93422a54cd6a349988f42e1c6bf082cf4ea9d8 | ≥ 8fa10ef01260937eb540b4e9bbc3efa023595993, < c49996c6aa03590e4ef5add8772cb6068d99fd59 | ≥ 8fa10ef01260937eb540b4e9bbc3efa023595993, < b93fb4405fcb5112c5739c5349afb52ec7f15c07 | 5.0
- linux_kernel≥ 5.0, < 5.4.229 | ≥ 5.5, < 5.10.164 | ≥ 5.11, < 5.15.89 | ≥ 5.16, < 6.1.7 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3
Debian1 product
- linux< 6.1.7-1
3 vendors · 111 products