CVE-2026-53327 | In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fill_pool() if pi_blocked_on On RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which asserts if current::pi_blocked_on is set, because a task can obviously only block on one lock as otherwise the priority inheritenace chain gets corrupted. Prevent this by expanding the conditional to take current::pi_blocked_on into account.
In the Linux kernel, the following vulnerability has been resolved:
debugobjects: Do not fill_pool() if pi_blocked_on
On RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which
asserts if current::pi_blocked_on is set, because a task can obviously only
block on one lock as otherwise the priority inheritenace chain gets
corrupted.
Prevent this by expanding the conditional to take current::pi_blocked_on
into account.
- 🔗 git.kernel.org/stable/c/8a680d54f1adf3e3aa81557868455671…
- 🔗 git.kernel.org/stable/c/a3383df76f0d7a597066df018409eb9e…
- 🔗 git.kernel.org/stable/c/3f6a3b24ab7b9d51f6f4778254bef0e5…
- 🔗 git.kernel.org/stable/c/3a408cae608d9c075dd3a9e5cfc03b3c…
- 🔗 git.kernel.org/stable/c/33bee10644f8fff3b1a0187ad5ad3451…
- 🔗 git.kernel.org/stable/c/5f41161059fd0f1bbf18c90f3180e38c…
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CVE-2026-53327 | In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fill_pool() if pi_blocked_on On RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which asserts if current::pi_blocked_on is set, because a task can obviously only block on one lock as otherwise the priority inheritenace chain gets corrupted. Prevent this by expanding the conditional to take current::pi_blocked_on into account.
In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fill_pool() if pi_blocked_on On RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which asserts if current::pi_blocked_on is set, becaus