mmc: mxcmmc: cancel data work and watchdog on remove
In the Linux kernel, the following vulnerability has been resolved: mmc: mxcmmc: cancel data work and watchdog on remove mxcmci_remove() frees the host through the devm tail, but neither it nor mmc_remove_host() drains the driver's own asynchronous state. host->watchdog, a 10 s timer armed on the DMA path in mxcmci_setup_data(), is deleted only by the DMA- and IRQ-complete paths, which the remove path does not explicitly drain; it can therefore fire after the host is freed and dereference it in mxcmci_watchdog(). host->datawork, armed from the IRQ handler on the PIO path, is not cancelled by the remove path either. Free the devm-registered IRQ, then cancel datawork and delete the watchdog in mxcmci_remove(), before dma_release_channel(). Freeing the IRQ first keeps a trailing handler from re-arming datawork between the cancel and the host free. Both callbacks are non-self-rearming. This issue was found by an in-house static analysis tool.
CVE-2026-98210
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98210
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "740f595f8ad678cb4d79f13edd12851df2492bdd",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "d3641afe6ee76d852834a34ef0669eefced32752",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "314966b490323bdcfd3162a1398b00e587e0ced4",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "ae10838a7cdf0e54caa9d0a4f488704fd04e7f01",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "a1ff367e0dc961d73707add508a95df5c3509bd1",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "23383e0578b58ba2dc0730cf9f7806bd66bf859a",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "e2948c4232209e87c861a680f20f1e3cf8a57fec",
"versionType": "git"
},
{
"status": "affected",
"version": "f6ad0a481342223b2e7ae9f55b154e14f1391ada",
"lessThan": "d3a421c82412344022982d5b91ba23194a0a6f29",
"versionType": "git"
}
],
"programFiles": [
"drivers/mmc/host/mxcmmc.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.7"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.7",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.271",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.222",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.112",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.54",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.8",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/mmc/host/mxcmmc.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98210
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38290 · Revision 1
- Added to Heist Feed
- Publisher date