UBUNTU-CVE-2024-35991

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Convert spinlock to mutex to lock evl workqueue drainworkqueue cannot be called safely in a spinlocked context due to possible task rescheduling. In the multi-task scenario, calling queuework while drainworkqueue...

CVE-2024-36007 mlxsw: spectrum_acl_tcam: Fix warning during rehash

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fix warning during rehash As previously explained, the rehash delayed work migrates filters from one region to another. This is done by iterating over all chunks all the filters with the same priority in t...

CVE-2024-36006 mlxsw: spectrum_acl_tcam: Fix incorrect list API usage

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fix incorrect list API usage Both the function that migrates all the chunks within a region and the function that migrates all the entries within a chunk call listfirstentry on the respective lists without...

CVE-2024-36007 mlxsw: spectrum_acl_tcam: Fix warning during rehash

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fix warning during rehash As previously explained, the rehash delayed work migrates filters from one region to another. This is done by iterating over all chunks all the filters with the same priority in t...

CVE-2024-36004 i40e: Do not use WQ_MEM_RECLAIM flag for workqueue

In the Linux kernel, the following vulnerability has been resolved: i40e: Do not use WQMEMRECLAIM flag for workqueue Issue reported by customer during SRIOV testing, call trace: When both i40e and the i40iw driver are loaded, a warning in checkflushdependency is being triggered. This seems to be...

CVE-2024-36002 dpll: fix dpll_pin_on_pin_register() for multiple parent pins

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpllpinonpinregister for multiple parent pins In scenario where pin is registered with multiple parent pins via dpllpinonpinregister.., all belonging to the same dpll device. A second call to dpllpinonpinunregister...

CVE-2024-36002

Linux kernel CVE-2024-36002 details a crash in dpll_pin_on_pin_register/dpll_pin_on_pin_unregister when a pin is registered with multiple parent pins on the same dpll device. A crash trace occurs during ice driver removal (ICE/ice_dpll_deinit_pins). The fix adds a cookie-like parent pointer when ...

CVE-2024-36002 dpll: fix dpll_pin_on_pin_register() for multiple parent pins

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpllpinonpinregister for multiple parent pins In scenario where pin is registered with multiple parent pins via dpllpinonpinregister.., all belonging to the same dpll device. A second call to dpllpinonpinunregister...

CVE-2024-36002 dpll: fix dpll_pin_on_pin_register() for multiple parent pins

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpllpinonpinregister for multiple parent pins In scenario where pin is registered with multiple parent pins via dpllpinonpinregister.., all belonging to the same dpll device. A second call to dpllpinonpinunregister...

CVE-2024-35991

CVE-2024-35991: In the Linux kernel, idxd dmaengine code changed from a spinlock-protected event log workqueue to a mutex-protected approach to safely call drain_workqueue(). The root cause was calling drain_workqueue() while holding a spinlock, risking a Call Trace due to possible task reschedul...

CVE-2024-35991: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Convert spinlock to mutex to lock evl workqueue drainworkqueue cannot be called safely in a spinlocked context due to possible task rescheduling. In the multi-task scenario, calling queuework while drainworkqueue...

CVE-2024-36002: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: dpll: fix dpllpinonpinregister for multiple parent pins In scenario where pin is registered with multiple parent pins via dpllpinonpinregister.., all belonging to the same dpll device. A second call to dpllpinonpinunregister...

CVE-2024-35921 media: mediatek: vcodec: Fix oops when HEVC init fails

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix oops when HEVC init fails The stateless HEVC decoder saves the instance pointer in the context regardless if the initialization worked or not. This caused a use after free, when the pointer is freed i...

CVE-2024-35853

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fix memory leak during rehash The rehash delayed work migrates filters from one region to another. This is done by iterating over all chunks all the filters with the same priority in the region and in each...

CVE-2024-35787

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usage for sbindex Commit d7038f951828 "md-bitmap: don't use -index for pages backing the bitmap file" removed page-index from bitmap code, but left wrong code logic for clustered-md. current code never...

CVE-2024-35787 md/md-bitmap: fix incorrect usage for sb_index

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usage for sbindex Commit d7038f951828 "md-bitmap: don't use -index for pages backing the bitmap file" removed page-index from bitmap code, but left wrong code logic for clustered-md. current code never...

CVE-2024-35787 md/md-bitmap: fix incorrect usage for sb_index

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: fix incorrect usage for sbindex Commit d7038f951828 "md-bitmap: don't use -index for pages backing the bitmap file" removed page-index from bitmap code, but left wrong code logic for clustered-md. current code never...

CVE-2022-48692

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Set scmnd-result only when scmnd is not NULL This change fixes the following kernel NULL pointer dereference which is reproduced by blktests srp/007 occasionally. BUG: kernel NULL pointer dereference, address:...

CVE-2022-48697 nvmet: fix a use-after-free

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix a use-after-free Fix the following use-after-free complaint triggered by blktests nvme/004: BUG: KASAN: user-memory-access in blkmqcompleterequestremote+0xac/0x350 Read of size 4 at addr 0000607bd1835943 by task...

CVE-2022-48675 IB/core: Fix a nested dead lock as part of ODP flow

In the Linux kernel, the following vulnerability has been resolved: IB/core: Fix a nested dead lock as part of ODP flow Fix a nested dead lock as part of ODP flow by using mmputasync. From the below call trace 1 can see that calling mmput once we have the umemodp-umemmutex locked as required by...