20,182 results · Feed
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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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Unscored —
spi: xilinx: use FIFO occupancy register to determine buffer size
In the Linux kernel, the following vulnerability has been resolved: spi: xilinx: use FIFO occupancy register to determine buffer size The method the driver uses to determine the size of the FIFO has a problem. What it currently does is this: It stops the SPI …
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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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Unscored —
cxl/region: Block region delete during region creation
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Block region delete during region creation Expand the range lock, rename it "regions_lock", to disable region deletion in the critical period between construct_region() and attach…
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Unscored —
cxl/region: Fill first free targets[] slot during auto-discovery
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fill first free targets[] slot during auto-discovery Any invalid endpoint decoder pointer in the target array of an active region is not allowed by cxl driver. This means cxl driv…
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Unscored —
cxl/region: Resolve region deletion races
In the Linux kernel, the following vulnerability has been resolved: cxl/region: Resolve region deletion races Sungwoo noticed that the sysfs trigger to delete a region may try to delete a region multiple times. It also has no exclusion relative to the kernel …
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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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Unscored —
power: supply: core: fix supplied_from allocations
In the Linux kernel, the following vulnerability has been resolved: power: supply: core: fix supplied_from allocations If dts property power-supplies has multiple values, then accessing to psy->supplied_from[i-1] in __power_supply_populate_supplied_from will …
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Critical 9.8
bnxt: fix head underflow on XDP head-grow
In the Linux kernel, the following vulnerability has been resolved: bnxt: fix head underflow on XDP head-grow The xdp.py test test_xdp_native_adjst_head_grow_data crashes when run on a bnxt machine (and also crashes in NIPA). It seems that the bug is an under…
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Critical 9.8
net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisc_tree_reduce_backlog. An issue arises bec…
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Critical 9.8
tcp: clear sock_ops cb flags before force-closing a child socket
In the Linux kernel, the following vulnerability has been resolved: tcp: clear sock_ops cb flags before force-closing a child socket A child socket inherits the listener's bpf_sock_ops_cb_flags via sk_clone_lock(). If its setup fails in tcp_v4_syn_recv_sock()…
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Unscored —
net/sched: sch_dualpi2: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen
In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_dualpi2: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisc_tree_reduce_backlog. An issue arises…
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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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Unscored —
net: mana: initialize gdma queue id to INVALID_QUEUE_ID
In the Linux kernel, the following vulnerability has been resolved: net: mana: initialize gdma queue id to INVALID_QUEUE_ID mana_gd_create_mana_wq_cq() leaves queue->id as 0 (from kzalloc_obj()) until mana_create_wq_obj() assigns the firmware-returned id. If …
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Unscored —
net: wwan: t7xx: check skb_clone in control TX
In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skb_clone in control TX t7xx_port_ctrl_tx() clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned->len, so a…
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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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Unscored —
ALSA: seq: avoid stale FIFO cells during resize
In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: avoid stale FIFO cells during resize snd_seq_fifo_resize() still needs to publish the replacement pool before it waits for FIFO users. A blocking snd_seq_read() holds f->use_lock w…
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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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Critical 9.8
tipc: fix UAF in tipc_l2_send_msg()
In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipc_l2_send_msg() Syzbot reported a slab-use-after-free in ipvlan_hard_header() when called from tipc_l2_send_msg(). The root cause is that tipc_disable_l2_media() calls syn…
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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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Unscored —
RDMA/bnxt_re: Initialize dpi variable to zero
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Initialize dpi variable to zero dpi is initialized only for BNXT_RE_ALLOC_WC_PAGE, but copied for all the cases. So initialize the dpi to 0.
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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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Unscored —
RDMA/bnxt_re: Avoid displaying the kernel pointer
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid displaying the kernel pointer While dumping the info on MR using the rdma tool, we dump the mr_hwq which is a kernel pointer. There is no need to expose this value for end…
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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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Critical 9.2
RDMA/bnxt_re: Proper rollback if the ioremap fails
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Proper rollback if the ioremap fails bnxt_qplib_alloc_dpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status.
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Critical 9.8
RDMA/irdma: Replace waitqueue and flag with completion
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Replace waitqueue and flag with completion The driver previously used a waitqueue along with an explicit request_done flag, but without proper barriers around request_done. An ear…
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Critical 9.3
RDMA/bnxt_re: Avoid repeated requests to allocate WC pages
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext. As of now, only 1 WC page per ucontext is supported. Add a lock to…
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Critical 9.9
net: serialize netif_running() check in enqueue_to_backlog()
In the Linux kernel, the following vulnerability has been resolved: net: serialize netif_running() check in enqueue_to_backlog() Syzbot reported a KASAN slab-use-after-free in fib_rules_lookup(). The root cause is a race condition where packets can escape the…
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Critical 9.8
net/9p: fix race condition on rdma->state in trans_rdma.c
In the Linux kernel, the following vulnerability has been resolved: net/9p: fix race condition on rdma->state in trans_rdma.c The rdma->state field is modified without holding req_lock in both recv_done() and p9_cm_event_handler(), while rdma_request() access…
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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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Unscored —
staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix stainfo check in rtw_aes_decrypt The null-pointer-guard was incorrect, returning _FAIL on valid pointer. Invert the guard, so it returns _FAIL on invalid pointer.
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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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Unscored —
mailbox: mtk-adsp: fix UAF during device teardown
In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-adsp: fix UAF during device teardown When the SOF audio driver fails to initialize (e.g. firmware boot timeout), its devres unwind frees the snd_sof_dev object that the mailbox c…