CVE-2021-47418 net_sched: fix NULL deref in fifo_set_limit()

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...

CVE-2021-47410 drm/amdkfd: fix svm_migrate_fini warning

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix svmmigratefini warning Device manager releases device-specific resources when a driver disconnects from a device, devmmemunmappages and devmreleasememregion calls in svmmigratefini are redundant. It causes below...

CVE-2021-47410 drm/amdkfd: fix svm_migrate_fini warning

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix svmmigratefini warning Device manager releases device-specific resources when a driver disconnects from a device, devmmemunmappages and devmreleasememregion calls in svmmigratefini are redundant. It causes below...

CVE-2021-47395

In the Linux kernel, the following vulnerability has been resolved: mac80211: limit injected vht mcs/nss in ieee80211parsetxradiotap Limit max values for vht mcs and nss in ieee80211parsetxradiotap routine in order to fix the following warning reported by syzbot: WARNING: CPU: 0 PID: 10717 at...

CVE-2021-47387 cpufreq: schedutil: Use kobject release() method to free sugov_tunables

In the Linux kernel, the following vulnerability has been resolved: cpufreq: schedutil: Use kobject release method to free sugovtunables The struct sugovtunables is protected by the kobject, so we can't free it directly. Otherwise we would get a call trace like this: ODEBUG: free active active...

CVE-2021-47387

In the Linux kernel, the following vulnerability has been resolved: cpufreq: schedutil: Use kobject release method to free sugovtunables The struct sugovtunables is protected by the kobject, so we can't free it directly. Otherwise we would get a call trace like this: ODEBUG: free active active...

CVE-2021-47309

In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate-data before returning from skbtunnelinfo skbtunnelinfo returns pointer of lwtstate-data as iptunnelinfo type without validation. lwtstate-data can have various types such as mplsiptunnelencap, etc and these...

CVE-2021-47309 net: validate lwtstate->data before returning from skb_tunnel_info()

In the Linux kernel, the following vulnerability has been resolved: net: validate lwtstate-data before returning from skbtunnelinfo skbtunnelinfo returns pointer of lwtstate-data as iptunnelinfo type without validation. lwtstate-data can have various types such as mplsiptunnelencap, etc and these...

CVE-2021-47299 xdp, net: Fix use-after-free in bpf_xdp_link_release

In the Linux kernel, the following vulnerability has been resolved: xdp, net: Fix use-after-free in bpfxdplinkrelease The problem occurs between devgetbyindex and devxdpattachlink. At this point, devxdpuninstall is called. Then xdp link will not be detached automatically when dev is released. But...

CVE-2021-47284

In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: netjet: Fix crash in njprobe: 'njsetup' in netjet.c might fail with -EIO and in this case 'card-irq' is initialized and is bigger than zero. A subsequent call to 'njrelease' will free the irq that has not been...

CVE-2024-35957

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix WARNON in iommu probe path Commit 1a75cc710b95 "iommu/vt-d: Use rbtree to track iommu probed devices" adds all devices probed by the iommu driver in a rbtree indexed by the source ID of each device. It assumes tha...

CVE-2024-36007

The CVE-2024-36007 issue relates to the Linux kernel mlxsw spectrum_acl_tcam rehash process. The problem was that on error the chunk marker was reset while entry markers remained relative to it, risking resuming migration from an entry not in the current chunk and causing a chunk to be processed ...

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-2024-35990 dma: xilinx_dpdma: Fix locking

In the Linux kernel, the following vulnerability has been resolved: dma: xilinxdpdma: Fix locking There are several places where either chan-lock or chan-vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like 31.077578 ------------ cut here ------------ 31.077831...

CVE-2024-35957

The CVE-2024-35957 vuln in the Linux kernel/IOMMU VT-d path arises from probing code that tracked all probed devices in an rbtree by source ID, assuming uniqueness that VT-d does not guarantee. The fix, per the linked advisories, is to only track devices that have PCI ATS capabilities in the iomm...

CVE-2024-35932

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: don't check if plane-state-fb == state-fb Currently, when using non-blocking commits, we can see the following kernel warning: 110.908514 ------------ cut here ------------ 110.908529 refcountt: underflow; use-after-free...

CVE-2024-35913

CVE-2024-35913 affects the Linux kernel’s wifi driver: the iwlwifi/mvm code incorrectly selects the mac_id vs link_id in struct iwl_mvm_session_prot_notif depending on the SESSION_PROTECTION_NOTIF version, triggering kernel warnings in time-event.c. The issue has a concrete fix in the referenced ...

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...