CVE-2026-98210mmc: mxcmmc: cancel data work and watchdog on remove
- —Not scoredno CVSS score yet
- 0.18%Exploitation in 30 daysEPSS · top 93% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 11 days later
· 11 days later
Published
- 13 days later
· 13 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.18% · top 93% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < 740f595f8ad678cb4d79f13edd12851df2492bdd
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < d3641afe6ee76d852834a34ef0669eefced32752
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < 314966b490323bdcfd3162a1398b00e587e0ced4
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < ae10838a7cdf0e54caa9d0a4f488704fd04e7f01
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < a1ff367e0dc961d73707add508a95df5c3509bd1
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < 23383e0578b58ba2dc0730cf9f7806bd66bf859a
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < e2948c4232209e87c861a680f20f1e3cf8a57fec
- affected f6ad0a481342223b2e7ae9f55b154e14f1391ada – < d3a421c82412344022982d5b91ba23194a0a6f29
- affected 3.7
- unaffected < 3.7
- unaffected 5.10.271 – ≤ 5.10.*
- unaffected 5.15.222 – ≤ 5.15.*
- unaffected 6.1.189 – ≤ 6.1.*
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.112 – ≤ 6.12.*
- unaffected 6.18.54 – ≤ 6.18.*
- unaffected 7.2.8 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/740f595f8ad678cb4d79f13edd12851df2492bdd (opens in a new tab)
- https://git.kernel.org/stable/c/d3641afe6ee76d852834a34ef0669eefced32752 (opens in a new tab)
- https://git.kernel.org/stable/c/314966b490323bdcfd3162a1398b00e587e0ced4 (opens in a new tab)
- https://git.kernel.org/stable/c/ae10838a7cdf0e54caa9d0a4f488704fd04e7f01 (opens in a new tab)
- https://git.kernel.org/stable/c/a1ff367e0dc961d73707add508a95df5c3509bd1 (opens in a new tab)
- https://git.kernel.org/stable/c/23383e0578b58ba2dc0730cf9f7806bd66bf859a (opens in a new tab)
- https://git.kernel.org/stable/c/e2948c4232209e87c861a680f20f1e3cf8a57fec (opens in a new tab)
- https://git.kernel.org/stable/c/d3a421c82412344022982d5b91ba23194a0a6f29 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-93138 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2026-98210)Record last updated .