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Critical 9.8
ila: block BH in ila_output()
In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ila_output() As explained in commit 1378817486d6 ("tipc: block BH before using dst_cache"), net/core/dst_cache.c helpers need to be called with BH disabled. ila_output() is c…
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Critical 9.8
nvme: avoid double free special payload
In the Linux kernel, the following vulnerability has been resolved: nvme: avoid double free special payload If a discard request needs to be retried, and that retry may fail before a new special payload is added, a double free will result. Clear the RQF_SPECI…
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Critical 9.8
net/sched: Fix UAF when resolving a clash
In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix UAF when resolving a clash KASAN reports the following UAF: BUG: KASAN: slab-use-after-free in tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct] Read of size 1 at addr ffff88…
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Critical 9.8
net: ena: Add validation for completion descriptors consistency
In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a re…
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Critical 9.8
tipc: force a dst refcount before doing decryption
In the Linux kernel, the following vulnerability has been resolved: tipc: force a dst refcount before doing decryption As it says in commit 3bc07321ccc2 ("xfrm: Force a dst refcount before entering the xfrm type handlers"): "Crypto requests might return async…
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Critical 9.8
gve: Clear napi->skb before dev_kfree_skb_any()
In the Linux kernel, the following vulnerability has been resolved: gve: Clear napi->skb before dev_kfree_skb_any() gve_rx_free_skb incorrectly leaves napi->skb referencing an skb after it is freed with dev_kfree_skb_any(). This can result in a subsequent cal…
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Critical 9.8
vmxnet3: disable rx data ring on dma allocation failure
In the Linux kernel, the following vulnerability has been resolved: vmxnet3: disable rx data ring on dma allocation failure When vmxnet3_rq_create() fails to allocate memory for rq->data_ring.base, the subsequent call to vmxnet3_rq_destroy_all_rxdataring does…
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Critical 9.8
Revert "xsk: Support redirect to any socket bound to the same umem"
In the Linux kernel, the following vulnerability has been resolved: Revert "xsk: Support redirect to any socket bound to the same umem" This reverts commit 2863d665ea41282379f108e4da6c8a2366ba66db. This patch introduced a potential kernel crash when multiple …
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Critical 9.8
gfs2: Fix potential glock use-after-free on unmount
In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix potential glock use-after-free on unmount When a DLM lockspace is released and there ares still locks in that lockspace, DLM will unlock those locks automatically. Commit fb6791d100…
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Critical 10.0
net: openvswitch: fix overwriting ct original tuple for ICMPv6
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVS_PACKET_CMD_EXECUTE has 3 main attributes: - OVS_PACKET_ATTR_KEY - Packet metadata in a netlink format. - OVS_PACKET_ATTR_PAC…
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Critical 9.8
RDMA/rxe: Fix seg fault in rxe_comp_queue_pkt
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix seg fault in rxe_comp_queue_pkt In rxe_comp_queue_pkt() an incoming response packet skb is enqueued to the resp_pkts queue and then a decision is made whether to run the complet…
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Critical 9.3
Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an…
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Critical 9.6
Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an erro…
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Critical 9.8
hv_netvsc: Don't free decrypted memory
In the Linux kernel, the following vulnerability has been resolved: hv_netvsc: Don't free decrypted memory In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and t…
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Critical 9.3
Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail s…
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Critical 9.1
USB: core: Fix access violation during port device removal
In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix access violation during port device removal Testing with KASAN and syzkaller revealed a bug in port.c:disable_store(): usb_hub_to_struct_hub() can return NULL if the hub that t…
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Critical 9.8CVE-2024-36886 Public exploit
tipc: fix UAF in error path
In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in error path Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported a UAF in the tipc_buf_append() error path: BUG: KASAN: slab-use-after-free in kfree_skb_list…
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Critical 9.8
keys: Fix overwrite of key expiration on instantiation
In the Linux kernel, the following vulnerability has been resolved: keys: Fix overwrite of key expiration on instantiation The expiry time of a key is unconditionally overwritten during instantiation, defaulting to turn it permanent. This causes a problem for…
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Critical 9.8
tcp: do not accept ACK of bytes we never sent
In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 g…
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Critical 9.1
wifi: mac80211: don't return unset power in ieee80211_get_tx_power()
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't return unset power in ieee80211_get_tx_power() We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for "unset power…
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Critical 9.8CVE-2023-52755 EPSS 28%
ksmbd: fix slab out of bounds write in smb_inherit_dacl()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offse…
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Critical 9.1
net/mlx5: Properly link new fs rules into the tree
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Properly link new fs rules into the tree Previously, add_rule_fg would only add newly created rules from the handle into the tree when they had a refcount of 1. On the other hand, c…
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Critical 9.3
dma-direct: Leak pages on dma_set_decrypted() failure
In the Linux kernel, the following vulnerability has been resolved: dma-direct: Leak pages on dma_set_decrypted() failure On TDX it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is retu…
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Critical 9.8
udp: do not accept non-tunnel GSO skbs landing in a tunnel
In the Linux kernel, the following vulnerability has been resolved: udp: do not accept non-tunnel GSO skbs landing in a tunnel When rx-udp-gro-forwarding is enabled UDP packets might be GROed when being forwarded. If such packets might land in a tunnel this c…
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Critical 9.8
smb: client: fix UAF in smb2_reconnect_server()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2_reconnect_server() The UAF bug is due to smb2_reconnect_server() accessing a session that is already being teared down by another thread that is executing __cifs_…
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Critical 9.8
smb: client: guarantee refcounted children from parent session
In the Linux kernel, the following vulnerability has been resolved: smb: client: guarantee refcounted children from parent session Avoid potential use-after-free bugs when walking DFS referrals, mounting and performing DFS failover by ensuring that all childr…
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Critical 9.8
smb: client: fix potential UAF in smb2_is_valid_oplock_break()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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Critical 9.8
smb: client: fix potential UAF in is_valid_oplock_break()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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Critical 9.8
smb: client: fix potential UAF in smb2_is_valid_lease_break()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_lease_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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Critical 9.8
smb: client: fix potential UAF in smb2_is_network_name_deleted()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_network_name_deleted() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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Critical 9.8
smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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Critical 9.1
wifi: iwlwifi: dbg-tlv: ensure NUL termination
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: dbg-tlv: ensure NUL termination The iwl_fw_ini_debug_info_tlv is used as a string, so we must ensure the string is terminated correctly before using it.
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Critical 9.8
crypto: safexcel - Add error handling for dma_map_sg() calls
In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previous…
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Critical 9.8
SUNRPC: fix some memleaks in gssx_dec_option_array
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix some memleaks in gssx_dec_option_array The creds and oa->data need to be freed in the error-handling paths after their allocation. So this patch add these deallocations in the cor…
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Critical 9.8
net: esp: fix bad handling of pages from page_pool
In the Linux kernel, the following vulnerability has been resolved: net: esp: fix bad handling of pages from page_pool When the skb is reorganized during esp_output (!esp->inline), the pages coming from the original skb fragments are supposed to be released b…
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Critical 9.8
crypto: xilinx - call finalize with bh disabled
In the Linux kernel, the following vulnerability has been resolved: crypto: xilinx - call finalize with bh disabled When calling crypto_finalize_request, BH should be disabled to avoid triggering the following calltrace: ------------[ cut here ]------------ W…
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Critical 9.8
igc: avoid returning frame twice in XDP_REDIRECT
In the Linux kernel, the following vulnerability has been resolved: igc: avoid returning frame twice in XDP_REDIRECT When a frame can not be transmitted in XDP_REDIRECT (e.g. due to a full queue), it is necessary to free it by calling xdp_return_frame_rx_napi…
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Critical 9.4
cifs: fix underflow in parse_server_interfaces()
In the Linux kernel, the following vulnerability has been resolved: cifs: fix underflow in parse_server_interfaces() In this loop, we step through the buffer and after each item we check if the size_left is greater than the minimum size we need. However, the …
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Critical 9.8
ksmbd: validate payload size in ipc response
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate payload size in ipc response If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc response to ksmbd kernel server. ksmbd should validate payload size of ip…
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Critical 9.8
tls: fix use-after-free on failed backlog decryption
In the Linux kernel, the following vulnerability has been resolved: tls: fix use-after-free on failed backlog decryption When the decrypt request goes to the backlog and crypto_aead_decrypt returns -EBUSY, tls_do_decryption will wait until all async decryptio…