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CVE-2026-98886

UnknownEPSS 0.19%

Last modified

CVE-2026-98886 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: drm/gma500: return errors from Oaktrail HDMI I2C reads xfer_read() waits for the HDMI I2C transaction to reach I2C_TRANSACTION_DONE, but it ignores both timeout and signal returns from wait_for_completion_interruptible_timeout(). If the interrupt never advances the transaction state, the loop can wait forever. Return -ETIMEDOUT when the completion wait expires, propagate interrupted waits, and make the I2C master_xfer callback return the first transfer error instead of reporting a successful message count.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/gma500: return errors from Oaktrail HDMI I2C reads xfer_read() waits for the HDMI I2C transaction to reach I2C_TRANSACTION_DONE, but it ignores both timeout and signal returns from wait_for_completion_interruptible_timeout(). If the interrupt never advances the transaction state, the loop can wait forever. Return -ETIMEDOUT when the completion wait expires, propagate interrupted waits, and make the I2C master_xfer callback return the first transfer error instead of reporting a successful message count.

Metrics

EPSS Probability
0.19%

8.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 1e585b52fd8ea59792634bc31d227eb3456af22e, < 09a950950e7e4e74e021e60941c8e816ef1b4f71; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < 898d209157fe2a245f7d9fe28c5921037d8b5033; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < 15c6d7f7127a53b7312232178ecf03e5850161d2; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < 8add43887cca1fe11a0ded62199ce726901d3f20; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < f85e8224bd4e1a0939cbfe13a6220fbddf61127c; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < c268df0653ab07bafc3d191e74ea097e3d9b9e69; >= 1e585b52fd8ea59792634bc31d227eb3456af22e, < 9b5ce5c496efd20c1c662cedba88465d39ec1f93
LinuxLinux3.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98886?
In the Linux kernel, the following vulnerability has been resolved: drm/gma500: return errors from Oaktrail HDMI I2C reads xfer_read() waits for the HDMI I2C transaction to reach I2C_TRANSACTION_DONE, but it ignores both timeout and signal returns from wait_for_completion_interruptible_timeout(). If the interrupt never advances the transaction state, the loop can wait forever. Return -ETIMEDOUT when the completion wait expires, propagate interrupted waits, and make the I2C master_xfer callback return the first transfer error instead of reporting a successful message count.
How severe is CVE-2026-98886?
Severity scoring for CVE-2026-98886 is pending analysis. The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-98886?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST