5.5

CVE-2022-50055: iavf: Fix adminq error handling

Analyzed
AliasesUBUNTU-CVE-2022-50055DEBIAN-CVE-2022-50055
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50055 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Without this change it is possible to see when unloading interface: 74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32] One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu111 products
  • linuxAll versions (No fix recorded) | < 5.4.0-132.148 | < 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1089.97 | < 5.15.0-1023.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123, < ff289f2be5899efd0e897d2b434a78e36df2c69b | ≥ d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123, < 4fe80492d53971d9a49f39f3c86d2d67c6f3638a | ≥ d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123, < dab6b551f5ba4c79a0dd4970dd8533c37a7b100f | ≥ d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123, < 35c63581fdefdcbaeae8cded18908523252353ad | ≥ d358aa9a7a2d5f91b1d33d5d4e27c2e46638d123, < 419831617ed349992c84344dbd9e627f9e68f842 | 3.14
  • linux_kernel≥ 3.14, < 5.4.211 | ≥ 5.5, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4 | 6.0:rc1
Debian1 product
  • linux< 6.0.2-1

3 vendors · 114 products

References

8 links