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Linux
18,386 known vulnerabilities.
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High 8.8
net: Stop leased rxq before uninstalling its memory provider
In the Linux kernel, the following vulnerability has been resolved: net: Stop leased rxq before uninstalling its memory provider netif_rxq_cleanup_unlease() tears down the memory provider that was installed on a physical RX queue through a netkit queue lease.…
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High 7.5
tipc: prevent snt_unacked underflow on CONN_ACK
In the Linux kernel, the following vulnerability has been resolved: tipc: prevent snt_unacked underflow on CONN_ACK tipc_sk_conn_proto_rcv() subtracts the peer-supplied connection ack count from the unsigned 16-bit send counter snt_unacked without checking th…
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High 7.8
tipc: require net admin for TIPCv2 netlink mutators
In the Linux kernel, the following vulnerability has been resolved: tipc: require net admin for TIPCv2 netlink mutators TIPCv2 registers mutating generic-netlink operations without admin permission flags. Generic netlink only checks CAP_NET_ADMIN when an oper…
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High 7.5
tipc: reject inverted service ranges from peer bindings
In the Linux kernel, the following vulnerability has been resolved: tipc: reject inverted service ranges from peer bindings tipc_update_nametbl() inserts a binding advertised by a peer node using the lower and upper service-range bounds taken directly from th…
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High 8.8
iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path
In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommu_dma_map_sg(), when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment `s` is incorre…
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High 8.4
cxl/region: Fix out-of-bounds access in cxl_cancel_auto_attach()
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix out-of-bounds access in cxl_cancel_auto_attach() In cxl_cancel_auto_attach(), it assumes cxled->pos is a valid index for accessing p->targets[]. However, cxled->pos can be set…
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High 7.8
handshake: Require admin permission for DONE command
In the Linux kernel, the following vulnerability has been resolved: handshake: Require admin permission for DONE command ACCEPT and DONE are the two downcalls of the handshake genl family, both intended for use by the trusted handshake agent (tlshd). ACCEPT a…
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High 7.8
net: watchdog: fix refcount tracking races
In the Linux kernel, the following vulnerability has been resolved: net: watchdog: fix refcount tracking races Blamed commit converted the untracked dev_hold()/dev_put() calls in the watchdog code to use the tracked dev_hold_track()/dev_put_track() (which wer…
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High 7.8
kcm: use WRITE_ONCE() when changing lower socket callbacks
In the Linux kernel, the following vulnerability has been resolved: kcm: use WRITE_ONCE() when changing lower socket callbacks kcm_attach() replaces a live lower TCP socket's sk_data_ready and sk_write_space callbacks with KCM handlers, and kcm_unattach() res…
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High 7.8
netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers. This patch also disables BH when transmittin…
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High 7.8
bpf: Guard __get_user acesss with access_ok for uprobe_multi data
In the Linux kernel, the following vulnerability has been resolved: bpf: Guard __get_user acesss with access_ok for uprobe_multi data As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use __get-user to get it. […
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High 7.8
sockmap: Fix use-after-free in udp_bpf_recvmsg()
In the Linux kernel, the following vulnerability has been resolved: sockmap: Fix use-after-free in udp_bpf_recvmsg() syzbot reported use-after-free of struct sk_msg in sk_msg_recvmsg(). [0] sk_msg_recvmsg() peeks sk_msg from psock->ingress_msg under a lock, b…
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High 8.4
bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpf_msg_pop_data() bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. Th…
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High 7.5
tcp: ipv6: clamp default adverting MSS to avoid GSO_BY_FRAGS (0xFFFF)
In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSO_BY_FRAGS (0xFFFF) When MTU is large, ip6_default_advmss() can return IPV6_MAXPLEN (65535). This is interpreted by TCP as mss_clamp, allowin…
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High 8.8
RDMA/bnxt_re: Free SRQ toggle page after firmware teardown
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Free SRQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxt_qplib_destroy_srq() won't w…
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High 8.8
RDMA/bnxt_re: Free CQ toggle page after firmware teardown
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Free CQ toggle page after firmware teardown Free the toggle page only after firmware teardown completes so that an NQ interrupt arriving during bnxt_qplib_destroy_cq() won't wri…
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High 8.8
RDMA/bnxt_re: Add a max slot check for SQ
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Add a max slot check for SQ The variable WQE mode must be validated against the maximum slots supported by HW. The max supported value is 64K. Adding a max and min check and fai…
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High 8.8
ksmbd: fix use-after-free in same_client_has_lease()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in same_client_has_lease() same_client_has_lease() returns an opinfo pointer from ci->m_op_list after dropping ci->m_lock without taking a reference. smb_grant_oploc…
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High 8.4
staging: nvec: fix use-after-free in nvec_rx_completed()
In the Linux kernel, the following vulnerability has been resolved: staging: nvec: fix use-after-free in nvec_rx_completed() In nvec_rx_completed(), when an incomplete RX transfer is detected, nvec_msg_free() is called to return the message back to the pool b…
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High 7.8
soundwire: fix bug in sdw_add_element_group_count found by syzkaller
In the Linux kernel, the following vulnerability has been resolved: soundwire: fix bug in sdw_add_element_group_count found by syzkaller The original implementation caused an out-of-bounds memory access in the sdw_add_element_group_count for-loop when i == nu…
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High 7.7
PCI: Check ROM header and data structure addr before accessing
In the Linux kernel, the following vulnerability has been resolved: PCI: Check ROM header and data structure addr before accessing We meet a crash when running stress-ng on x86_64 machine: BUG: unable to handle page fault for address: ffa0000007f40000 RIP: 00…
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High 7.8
coresight: platform: defer connection counter increment until alloc succeeds
In the Linux kernel, the following vulnerability has been resolved: coresight: platform: defer connection counter increment until alloc succeeds coresight_add_out_conn() increments nr_outconns before calling devm_krealloc_array() and again before devm_kmalloc…
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High 7.8
gpib: fix double decrement of descriptor_busy in command_ioctl()
In the Linux kernel, the following vulnerability has been resolved: gpib: fix double decrement of descriptor_busy in command_ioctl() commit d1857f8296dc ("gpib: fix use-after-free in IO ioctl handlers") introduced a descriptor_busy reference counter to pin st…
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High 7.8
usb: host: max3421: Fix shift-out-of-bounds in max3421_hub_control()
In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421: Fix shift-out-of-bounds in max3421_hub_control() The `max3421_hub_control()` function handles USB hub class requests to the virtual root hub. In the `default` branches of …
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High 7.8
iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event handling
In the Linux kernel, the following vulnerability has been resolved: iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event handling ams_event_to_channel() may return a pointer past the end of dev->channels when no matching scan_index is found. This c…
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High 8.4
fs/ntfs3: add bounds check to run_get_highest_vcn()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: add bounds check to run_get_highest_vcn() run_get_highest_vcn() parses a packed NTFS mapping-pairs buffer without any length bound, relying solely on a 0x00 terminator to stop. A cr…
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High 7.8
dmaengine: Fix possible use after free
In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix possible use after free In dma_release_channel(), check chan->device->privatecnt after call dma_chan_put(). However, dma_chan_put() call dma_device_put() which could release th…
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High 7.1
fs/ntfs3: prevent potential lcn remains uninitialized
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent potential lcn remains uninitialized The target VCN being sought was not found within runs[0], causing run_lookup() to return false. This causes run_lookup_entry() to return …
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High 7.8
fs/ntfs3: resize log->one_page_buf when adopting on-disk page size
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: resize log->one_page_buf when adopting on-disk page size log_replay() allocates log->one_page_buf using the page size that was chosen from the host PAGE_SIZE: log->one_page_buf = km…
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High 8.8
xprtrdma: Fix ep kref imbalance on ADDR_CHANGE
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Fix ep kref imbalance on ADDR_CHANGE rpcrdma_cm_event_handler() falls through to the disconnected: label on RDMA_CM_EVENT_ADDR_CHANGE and calls rpcrdma_ep_put() with no matching get…
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High 7.5
xprtrdma: Repost Receive buffers for malformed replies
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Repost Receive buffers for malformed replies rpcrdma_wc_receive() decrements the transport's Receive count for every completion before it dispatches a successful Receive to rpcrdma_…
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High 7.5
xprtrdma: Sanitize the reply credit grant after parsing
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Sanitize the reply credit grant after parsing The out_norqst exit in rpcrdma_reply_handler() branches away before the credit clamp, so a reply that matches no pending request reache…
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High 8.8
apparmor: fix race in unix socket mediation when peer_path is used
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race in unix socket mediation when peer_path is used The holding a reference to the peer_sk is not enough to ensure access to the peer sk path. Accessing the path outside of the…
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High 7.8
apparmor: fix refcount leak when updating the sk_ctx
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix refcount leak when updating the sk_ctx Currently update_sk_ctx() transfers the plabel reference, unfortunately it is also unconditionally put in the caller. Ideally we would mak…
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High 7.1
apparmor: check label build before no_new_privs test
In the Linux kernel, the following vulnerability has been resolved: apparmor: check label build before no_new_privs test aa_change_profile() builds a replacement label with fn_label_build_in_scope() before the no_new_privs subset check. The build helper can f…
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High 7.8
apparmor: aa_label_alloc use aa_label_free on alloc failure
In the Linux kernel, the following vulnerability has been resolved: apparmor: aa_label_alloc use aa_label_free on alloc failure aa_label_alloc() allocates a secid before allocating or taking the label proxy. If the later proxy step fails, the error path only …
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High 7.1
apparmor: fix uninitialised pointer passed to audit_log_untrustedstring()
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix uninitialised pointer passed to audit_log_untrustedstring() Commit 4a134723f9f1 ("apparmor: move check for aa_null file to cover all cases") intrdouced a small bug, where path_n…
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High 7.8
i3c: mipi-i3c-hci: Fix race in i3c_hci_addr_to_dev()
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in i3c_hci_addr_to_dev() i3c_hci_addr_to_dev() walks bus->devs.i3c, which is protected by bus.lock (rwsem). However, it is invoked from the MIPI I3C HCI IRQ handle…
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High 7.8
drm/i915: clear CRTC color blob pointers after dropping refs
In the Linux kernel, the following vulnerability has been resolved: drm/i915: clear CRTC color blob pointers after dropping refs intel_crtc_put_color_blobs() drops the CRTC color blob references, but leaves the corresponding pointers unchanged. This can matte…
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High 7.8
xfrm: validate selector family and prefixlen during match
In the Linux kernel, the following vulnerability has been resolved: xfrm: validate selector family and prefixlen during match syzbot reported a shift-out-of-bounds in xfrm_selector_match() due to AF_UNSPEC selector with large prefixlen (e.g. 128) matched agai…