In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: catch commit test ctx alloc failure
Patch series "mm/damon/sysfs: fix commit test damon_ctx [de]allocation".
DAMON sysfs interface dynamically allocates and uses a damon_ctx object for testing if given inputs for online DAMON parameters update is valid. The object is being used without an allocation failure check, and leaked when the test succeeds. Fix the two bugs.
This patch (of 2):
The damon_ctx for testing online DAMON parameters commit inputs is used without its allocation failure check. This could result in an invalid memory access. Fix it by directly returning an error when the allocation failed.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-generic-64k-6.17Upgrade linux-image-virtual-6.17Upgrade linux-image-realtime-6.17Upgrade linux-image-raspiUpgrade linux-image-realtimeUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-awsUpgrade linux-image-oem-6.17Upgrade linux-image-6.17.0-1007-oracle-64kUpgrade linux-image-gcp-64kUpgrade linux-image-azureUpgrade linux-image-gcp-6.17Upgrade linux-image-aws-64k-6.17Upgrade linux-image-6.17.0-14-genericUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-6.17Upgrade linux-image-aws-64kUpgrade linux-image-generic-6.17Upgrade linux-image-6.17.0-14-generic-64kUpgrade linux-image-6.17.0-1011-oemUpgrade linux-image-generic-64kUpgrade linux-image-oracle-64kUpgrade linux-image-genericUpgrade linux-image-6.17.0-1007-awsUpgrade linux-image-azure-6.17Upgrade linux-image-gcpUpgrade linux-image-raspi-6.17Upgrade linux-image-oracle-6.17Upgrade linux-image-6.17.0-1008-raspiUpgrade linux-image-6.17.0-1007-oracleUpgrade linux-image-6.17.0-1007-gcp-64kUpgrade linux-image-6.17.0-1007-gcpUpgrade linux-image-6.17.0-1008-azureUpgrade linux-image-6.17.0-1006-realtimeUpgrade linux-image-oracleUpgrade linux-image-6.17.0-1007-aws-64kUpgrade linux-image-virtual | Feb 13, 2026 | Feb 12, 2026 |
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