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CVE-2022-49394

🗓️ 26 Feb 2025 02:11:25Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 133 Views🌐 WEB

Fix imbalance in inflight counts and IO hangs in Linux kernel for offline cgroups.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15
19 Jun 202611:10
–astralinux
CNNVD		Linux kernel 安全漏洞
26 Feb 202500:00
–cnnvd
Cvelist		CVE-2022-49394 blk-iolatency: Fix inflight count imbalances and IO hangs on offline
26 Feb 202502:11
–cvelist
Debian CVE		CVE-2022-49394
26 Feb 202502:11
–debiancve
EUVD		EUVD-2022-54835
21 Oct 202512:31
–euvd
NVD		CVE-2022-49394
26 Feb 202507:01
–nvd
OpenVAS		SUSE: Security Advisory (SUSE-SU-2025:1263-1)
16 Apr 202500:00
–openvas
OSV		CVE-2022-49394 blk-iolatency: Fix inflight count imbalances and IO hangs on offline
26 Feb 202502:11
–osv
OSV		DEBIAN-CVE-2022-49394
26 Feb 202507:01
–osv
OSV		OESA-2025-1245 kernel security update
7 Mar 202515:27
–osv
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange4.19.29–4.19.247
OR
linuxlinux_kernelRange4.20.16–5.0
OR
linuxlinux_kernelRange5.0.1–5.4.198
OR
linuxlinux_kernelRange5.5–5.10.121
OR
linuxlinux_kernelRange5.11–5.15.46
OR
linuxlinux_kernelRange5.16–5.17.14
OR
linuxlinux_kernelRange5.18–5.18.3
OR
linuxlinux_kernelMatch5.0-
OR
linuxlinux_kernelMatch5.0rc6
OR
linuxlinux_kernelMatch5.0rc7
OR
linuxlinux_kernelMatch5.0rc8
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-iolatency.c"
    ],
    "versions": [
      {
        "version": "6d482bc5697763eb1214f207286daa201b32d20a",
        "lessThan": "515d077ee3085ae343b6bea7fd031f9906645f38",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "d19fa8f252000d141f9199ca32959c50314e1f05",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "77692c02e1517c54f2fd0535f41aa4286ac9f140",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "a30acbb5dfb7bcc813ad6a18ca31011ac44e5547",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "968f7a239c590454ffba79c126fbe0e963a0ba78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "5b0ff3ebbef791341695b718f8d2870869cf1d01",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c772a9bfc7c07c76f4a58b58910452fbb20843b",
        "lessThan": "8a177a36da6c54c98b8685d4f914cb3637d53c0d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "beed6109acd4efc2f1717c31bddcd0ad7ebbf253",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.19.29",
        "lessThan": "4.19.247",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.20.16",
        "lessThan": "4.21",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "block/blk-iolatency.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.247",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.198",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.121",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.46",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.14",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.3",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
cgroup.subtree_controlpath/sys/fs/cgroup/cgroup.subtree_controlIO latency feature toggling via cgroup subsystem can lead to inflight counters imbalance when devices are throttled/removed, causing IO hangs
targetpath/sys/fs/cgroup/test/io.latencyio.latency target setting in a cgroup can trigger inflight counter manipulation and potential race conditions during enable/disable across cgroups
directpath/dev/sdaDirect IO to a disk via fio can reproduce inflight counter handling issues when latency policies are toggled across cgroups
rwpath/dev/sdaDirect IO to a disk via fio can reproduce inflight counter handling issues when latency policies are toggled across cgroups
iodepthpath/dev/sdaDirect IO to a disk via fio can reproduce inflight counter handling issues when latency policies are toggled across cgroups
bspath/dev/sdaDirect IO to a disk via fio can reproduce inflight counter handling issues when latency policies are toggled across cgroups

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17 Jun 2026 05:17Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.5
EPSS0.00247
linux kernelvulnerabilityiolatencyinflight ioscgroup managementrequest queueperformance issue.
133