VulnerabilityPublished 10 Aug 2026Updated 21 Oct 2026

CVE-2026-68211: Linux kernel · media: stm32-dcmipp: Return queued buffers on start_streaming() failure

Affects Linux kernelSource CVE Database V5

Not known to be exploited · fixed in ffc8eec06378a340d708c889184ab3e14b57d540 : update Linux kernel when convenient.

Data as of 26 Oct 2026, 14:05 UTC

Severity

Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS: 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in ffc8eec06378a340d708c889184ab3e14b57d540, ed342a86bb2f9c1b44a0fc4f6b08c14073946e4f, c1800238a60b0584b1924f11ce38ec8aba533238 +1

Exploitation evidence

Disclosed: evidence found.
CVE published 10 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade Linux kernel to ffc8eec06378a340d708c889184ab3e14b57d540, ed342a86bb2f9c1b44a0fc4f6b08c14073946e4f, c1800238a60b0584b1924f11ce38ec8aba533238 or 624af2d4b5e9d3dd366538e4fb4a2a037792a7e3.

Affected software

Product	Affected	Fixed in
LinuxLinux	Affected ≥ 28e0f37722965fa150af31d82101c95fd21aef60, < ffc8eec06378a340d708c889184ab3e14b57d540	Fixed in ffc8eec06378a340d708c889184ab3e14b57d540
LinuxLinux	Affected ≥ 28e0f37722965fa150af31d82101c95fd21aef60, < ed342a86bb2f9c1b44a0fc4f6b08c14073946e4f	Fixed in ed342a86bb2f9c1b44a0fc4f6b08c14073946e4f
LinuxLinux	Affected ≥ 28e0f37722965fa150af31d82101c95fd21aef60, < c1800238a60b0584b1924f11ce38ec8aba533238	Fixed in c1800238a60b0584b1924f11ce38ec8aba533238
LinuxLinux	Affected ≥ 28e0f37722965fa150af31d82101c95fd21aef60, < 624af2d4b5e9d3dd366538e4fb4a2a037792a7e3	Fixed in 624af2d4b5e9d3dd366538e4fb4a2a037792a7e3
LinuxLinux	Affected =6.8	Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: media: stm32-dcmipp: Return queued buffers on start_streaming() failure The vb2 framework hands buffers to the driver via buf_queue() before calling start_streaming(). If start_streaming() returns an error without first returning those buffers via vb2_buffer_done(), vb2_start_streaming() fires WARN_ON(owned_by_drv_count) and the queued buffers leak. dcmipp_bytecap_start_streaming() returned -EINVAL when the source subdevice could not be resolved from the media graph, before pm_runtime_resume_and_get() and media_pipeline_start() had been called. The remaining error paths already converge on the err_buffer_done label, which calls dcmipp_bytecap_all_buffers_done(..., VB2_BUF_STATE_QUEUED). Jump to that label directly: the intermediate err_pm_put / err_media_pipeline_stop labels are skipped, which is correct because nothing they would undo has happened yet. This mirrors the uvcvideo fix in commit 4cf3b6fd54eb ("media: uvcvideo: Return queued buffers on start_streaming() failure").

References

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