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High 7.8
net: gtp: Fix Use-After-Free in gtp_dellink
In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possi…
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High 7.8
net: openvswitch: Fix Use-After-Free in ovs_ct_exit
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovs_ct_exit Since kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal of ovs_ct_limit_exit, is not part of the RCU read critical secti…
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High 7.8
tcp: Fix Use-After-Free in tcp_ao_connect_init
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix Use-After-Free in tcp_ao_connect_init Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of tcp_ao_connect_init, is not part of the RCU read critical section, …
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High 7.5
xen-netfront: Add missing skb_mark_for_recycle
In the Linux kernel, the following vulnerability has been resolved: xen-netfront: Add missing skb_mark_for_recycle Notice that skb_mark_for_recycle() is introduced later than fixes tag in commit 6a5bcd84e886 ("page_pool: Allow drivers to hint on SKB recycling…
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High 7.8CVE-2023-52654 Public exploit
io_uring/af_unix: disable sending io_uring over sockets
In the Linux kernel, the following vulnerability has been resolved: io_uring/af_unix: disable sending io_uring over sockets File reference cycles have caused lots of problems for io_uring in the past, and it still doesn't work exactly right and races with uni…
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High 7.5
Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability
Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged…
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High 7.8
scsi: mpt3sas: Fix use-after-free warning
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix use-after-free warning Fix the following use-after-free warning which is observed during controller reset: refcount_t: underflow; use-after-free. WARNING: CPU: 23 PID: 5399…
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High 7.8
ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
In the Linux kernel, the following vulnerability has been resolved: ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc() The voice allocator sometimes begins allocating from near the end of the array and then wraps around, however snd_em…
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High 7.1
regmap: spi: Reserve space for register address/padding
In the Linux kernel, the following vulnerability has been resolved: regmap: spi: Reserve space for register address/padding Currently the max_raw_read and max_raw_write limits in regmap_spi struct do not take into account the additional size of the transmitte…
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High 7.5
RDMA/irdma: Fix drain SQ hang with no completion
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix drain SQ hang with no completion SW generated completions for outstanding WRs posted on SQ after QP is in error target the wrong CQ. This causes the ib_drain_sq to hang with n…
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High 7.5
RDMA/srp: Set scmnd->result only when scmnd is not NULL
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 …
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High 7.8
erofs: fix pcluster use-after-free on UP platforms
In the Linux kernel, the following vulnerability has been resolved: erofs: fix pcluster use-after-free on UP platforms During stress testing with CONFIG_SMP disabled, KASAN reports as below: ================================================================== B…
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High 7.8
peci: cpu: Fix use-after-free in adev_release()
In the Linux kernel, the following vulnerability has been resolved: peci: cpu: Fix use-after-free in adev_release() When auxiliary_device_add() returns an error, auxiliary_device_uninit() is called, which causes refcount for device to be decremented and .rele…
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High 7.8
nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()
In the Linux kernel, the following vulnerability has been resolved: nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse() When nvme_identify_ns() fails, it frees the pointer to the struct nvme_id_ns before it returns. However, ns_update_nuse() …
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High 7.8
pstore: inode: Only d_invalidate() is needed
In the Linux kernel, the following vulnerability has been resolved: pstore: inode: Only d_invalidate() is needed Unloading a modular pstore backend with records in pstorefs would trigger the dput() double-drop warning: WARNING: CPU: 0 PID: 2569 at fs/dcache.c…
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High 7.8
media: ttpci: fix two memleaks in budget_av_attach
In the Linux kernel, the following vulnerability has been resolved: media: ttpci: fix two memleaks in budget_av_attach When saa7146_register_device and saa7146_vv_init fails, budget_av_attach should free the resources it allocates, like the error-handling of …
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High 7.1
f2fs: fix to avoid use-after-free issue in f2fs_filemap_fault
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free issue in f2fs_filemap_fault syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in f2fs_filemap_fault+0xd1/0x2c0 fs/f2fs/file.c:49 Read of si…
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High 7.5
virtio: packed: fix unmap leak for indirect desc table
In the Linux kernel, the following vulnerability has been resolved: virtio: packed: fix unmap leak for indirect desc table When use_dma_api and premapped are true, then the do_unmap is false. Because the do_unmap is false, vring_unmap_extra_packed is not call…
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High 7.8
nouveau: lock the client object tree.
In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mapp…
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High 7.8
crypto: sun8i-ce - Fix use after free in unprepare
In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ce - Fix use after free in unprepare sun8i_ce_cipher_unprepare should be called before crypto_finalize_skcipher_request, because client callbacks may immediately free memory, th…
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High 7.8
tmpfs: fix race on handling dquot rbtree
In the Linux kernel, the following vulnerability has been resolved: tmpfs: fix race on handling dquot rbtree A syzkaller reproducer found a race while attempting to remove dquot information from the rb tree. Fetching the rb_tree root node must also be protect…
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High 7.8
wifi: iwlwifi: mvm: ensure offloading TID queue exists
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: ensure offloading TID queue exists The resume code path assumes that the TX queue for the offloading TID has been configured. At resume time it then tries to sync the writ…
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High 8.8
wifi: wilc1000: fix RCU usage in connect path
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix RCU usage in connect path With lockdep enabled, calls to the connect function from cfg802.11 layer lead to the following warning: ============================= WARNING: su…
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High 7.8
wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work The workqueue might still be running, when the driver is stopped. To avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().
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High 7.8
libbpf: Use OPTS_SET() macro in bpf_xdp_query()
In the Linux kernel, the following vulnerability has been resolved: libbpf: Use OPTS_SET() macro in bpf_xdp_query() When the feature_flags and xdp_zc_max_segs fields were added to the libbpf bpf_xdp_query_opts, the code writing them did not use the OPTS_SET()…
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High 7.0
drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()'
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a potential buffer overflow in 'dp_dsc_clock_en_read()' Tell snprintf() to store at most 10 bytes in the output buffer instead of 30. Fixes the below: drivers/gpu/drm/amd…
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High 7.8
media: edia: dvbdev: fix a use-after-free
In the Linux kernel, the following vulnerability has been resolved: media: edia: dvbdev: fix a use-after-free In dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed in several error-handling paths. However, *pdvbdev is not set to NULL after d…
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High 7.3
f2fs: compress: fix to guarantee persisting compressed blocks by CP
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to guarantee persisting compressed blocks by CP If data block in compressed cluster is not persisted with metadata during checkpoint, after SPOR, the data may be corrupted…
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High 7.8
f2fs: compress: fix to cover normal cluster write with cp_rwsem
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover normal cluster write with cp_rwsem When we overwrite compressed cluster w/ normal cluster, we should not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise …
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High 7.8
octeontx2-af: Use separate handlers for interrupts
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Use separate handlers for interrupts For PF to AF interrupt vector and VF to AF vector same interrupt handler is registered which is causing race condition. When two interrupts …
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High 7.1
drm/amdgpu: fix mmhub client id out-of-bounds access
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix mmhub client id out-of-bounds access Properly handle cid 0x140.
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High 7.5
vmxnet3: Fix missing reserved tailroom
In the Linux kernel, the following vulnerability has been resolved: vmxnet3: Fix missing reserved tailroom Use rbi->len instead of rcd->len for non-dataring packet. Found issue: XDP_WARN: xdp_update_frame_from_buff(line:278): Driver BUG: missing reserved tail…
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High 7.8
fork: defer linking file vma until vma is fully initialized
In the Linux kernel, the following vulnerability has been resolved: fork: defer linking file vma until vma is fully initialized Thorvald reported a WARNING [1]. And the root cause is below race: CPU 1 CPU 2 fork hugetlbfs_fallocate dup_mmap hugetlbfs_punch_ho…
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High 7.8
netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_ta…
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High 7.8
netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() nft_unregister_obj() can concurrent with __nft_obj_type_get(), and there is not any protection when iterate over nf_table…
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High 8.2
netfilter: br_netfilter: skip conntrack input hook for promisc packets
In the Linux kernel, the following vulnerability has been resolved: netfilter: br_netfilter: skip conntrack input hook for promisc packets For historical reasons, when bridge device is in promisc mode, packets that are directed to the taps follow bridge input…
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High 7.8
netfilter: nft_set_pipapo: walk over current view on netlink dump
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: walk over current view on netlink dump The generation mask can be updated while netlink dump is in progress. The pipapo set backend walk iterator cannot rely on it …
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High 7.1
netfilter: flowtable: validate pppoe header
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate pppoe header Ensure there is sufficient room to access the protocol field of the PPPoe header. Validate it once before the flowtable lookup, then use a helper f…
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High 7.8
netfilter: nf_tables: restore set elements when delete set fails
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: restore set elements when delete set fails From abort path, nft_mapelem_activate() needs to restore refcounters to the original state. Currently, it uses the set->ops->w…
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High 7.8
userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE
In the Linux kernel, the following vulnerability has been resolved: userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE Commit d7a08838ab74 ("mm: userfaultfd: fix unexpected change to src_folio when UFFDIO_MOVE fails") moved the src_foli…