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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-xilinx-zynqmp: 464. Davon im KEV-Katalog: 0.

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  1. CVE-2026-74307

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ext4: validate donor file superblock early in EXT4_IOC_MOVE_EXT

    In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4_IOC_MOVE_EXT Reject the EXT4_IOC_MOVE_EXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside ext4_move_extents() by mext_check_validity(), but only after lock_two_nondirectories() has already acquired the inode locks. When the donor fd refers to a file on a different filesystem (e.g., overlayfs), this late validation creates a circular lock dependency: CPU0 (overlayfs write) CPU1 (ext4 ioctl) ----

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  2. CVE-2026-74302

    Hoch · CVSS 7.8EPSS 0,13%Keine Korrektur veröffentlicht

    Bluetooth: hci_core: Fix UAF in hci_unregister_dev()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix UAF in hci_unregister_dev() hci_unregister_dev() does not disable cmd_timer and ncmd_timer before the hci_dev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory (including the hdev->reset function pointer), leading to a use-after-free. Add disable_delayed_work_sync() calls alongside the existing disable_work_sync() calls to ensure both timers are fully quiesced before teardown proceeds.

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  3. CVE-2026-74297

    Hoch · CVSS 7.8EPSS 0,18%Keine Korrektur veröffentlicht

    RDMA/mlx5: Fix undefined shift of user RQ WQE size

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix undefined shift of user RQ WQE size set_rq_size() computes the RQ WQE size as "1 << rq_wqe_shift" based on the user-provided rq_wqe_shift, which is only checked to be greater than 32, so shifts of 32 are still accepted. A shift of 31 also overflows a signed integer, leading to undefined behavior. Use check_shl_overflow() to compute the RQ WQE size and reject any invalid values.

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  5. CVE-2026-74295

    Hoch · CVSS 7.1EPSS 0,17%Keine Korrektur veröffentlicht

    ASoC: codecs: hdac_hdmi: Validate written enum value

    In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: hdac_hdmi: Validate written enum value hdac_hdmi_set_pin_port_mux() uses the written enum value to index the texts array before calling snd_soc_dapm_put_enum_double(), which validates that the value is within the enum item range. An out-of-range value can therefore make the driver read past the texts array before the helper rejects the write. Move the lookup after the helper has accepted the value.

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  6. CVE-2026-74293

    Hoch · CVSS 7.8EPSS 0,18%Keine Korrektur veröffentlicht

    ASoC: fsl: fsl_audmix: Validate written enum values

    In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl: fsl_audmix: Validate written enum values fsl_audmix_put_mix_clk_src() and fsl_audmix_put_out_src() convert the user-provided enum item with snd_soc_enum_item_to_val() before checking whether the item is within the enum's item count. The generic snd_soc_put_enum_double() helper performs that validation, but these callbacks use the converted value first: the clock-source path tests it with BIT(), and the output-source path indexes the prms transition table with it. Reject out-of-range enum items before converting them.

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  7. CVE-2026-74291

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ASoC: topology: Check PCM and DAI name strings before use

    In the Linux kernel, the following vulnerability has been resolved: ASoC: topology: Check PCM and DAI name strings before use Topology objects store several PCM and DAI names in fixed-size UAPI arrays. Other topology parser paths validate these fields with bounded strnlen() checks before using them as C strings, but the PCM and DAI paths still pass some fixed-size arrays directly to strlen(), devm_kstrdup(), DAI lookup, and diagnostic prints. A malformed topology blob with a non-NUL-terminated PCM, DAI, or stream capability name can therefore make the parser read past the end of the fixed-size field. Reject unterminated PCM and DAI name f

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  8. CVE-2026-74290

    Mittel · CVSS 4.8EPSS 0,17%Keine Korrektur veröffentlicht

    net/sched: cls_flow: Dont expose folded kernel pointers

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_flow: Dont expose folded kernel pointers The flow classifier falls back to addr_fold() for fields that are missing from packet headers. In map mode, userspace controls mask, xor, rshift, addend and divisor, and can observe the resulting classid through class statistics. This allows a tc classifier in a user/network namespace to recover the 32-bit folded value of skb->sk, skb_dst() or skb_nfct(). Align with standard kernel practices for pointer hashing and replace the XOR folding with a keyed siphash (which is cryptographically secure)

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  9. CVE-2026-74289

    Hoch · CVSS 7.8EPSS 0,13%Keine Korrektur veröffentlicht

    ipv4: fib: Don't dump dying fib_info in fib_leaf_notify().

    In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fib_info in fib_leaf_notify(). syzbot reported use-after-free in nsim_fib4_prepare_event(). [0] The problem is that the following functions call fib_info_hold() / refcount_inc() while dumping fib_info under RCU, which is unsafe. * mlxsw_sp_router_fib4_event() * rocker_router_fib_event() * nsim_fib4_prepare_event() refcount_inc_not_zero() must be used, but it would be too late there. Let's guarantee the lifetime of fib_info in fib_leaf_notify(). Note that IPv6 does not need the corresponding change since fib6_table_dump() holds fib6_tab

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  10. CVE-2026-74288

    Hoch · CVSS 7.8EPSS 0,13%Keine Korrektur veröffentlicht

    net: fib_rules: Don't dump dying fib_rule in fib_rules_dump().

    In the Linux kernel, the following vulnerability has been resolved: net: fib_rules: Don't dump dying fib_rule in fib_rules_dump(). rocker_router_fib_event() calls fib_rule_get() during RCU dump. If the fib_rule is dying, refcount_inc() will complain about it. Let's call refcount_inc_not_zero() in fib_rules_dump().

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  11. CVE-2026-74287

    Kritisch · CVSS 9.1EPSS 0,73%Keine Korrektur veröffentlicht

    sctp: validate embedded address parameter length

    In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded address parameter length sctp_verify_asconf() and sctp_verify_param() only validate ADD_IP, DEL_IP, and SET_PRIMARY parameters against a fixed minimum size of sizeof(struct sctp_addip_param) + sizeof(struct sctp_paramhdr). This ensures the outer parameter is large enough to contain an embedded address parameter header, but does not verify that the embedded address parameter's declared length fits within the bounds of the outer parameter. Later, sctp_process_param() and sctp_process_asconf_param() extract the embedded address parameter and pass it to

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  12. CVE-2026-74284

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    net/sched: sch_hfsc: Don't make class passive twice

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_hfsc: Don't make class passive twice update_vf() is called from two places for the same class during a single dequeue when the class's child qdisc (e.g. codel/fq_codel) drops its last packets while dequeuing: 1. The child calls qdisc_tree_reduce_backlog(), which, now that the child is empty, invokes hfsc_qlen_notify() -> update_vf(cl, 0, 0) and turns the class passive (cl_nactive is decremented up the hierarchy). 2. hfsc_dequeue() then calls update_vf(cl, qdisc_pkt_len(skb), cur_time) to charge the dequeued bytes. On the second call the class is a

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  13. CVE-2026-74283

    Hoch · CVSS 7.8EPSS 0,17%Keine Korrektur veröffentlicht

    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 operation sets GENL_ADMIN_PERM or GENL_UNS_ADMIN_PERM, so a local unprivileged process can currently change TIPC state through commands such as TIPC_NL_NET_SET, TIPC_NL_KEY_SET, TIPC_NL_KEY_FLUSH, and bearer enable/disable. The legacy TIPC netlink API already checks netlink_net_capable(..., CAP_NET_ADMIN) for administrative commands. Give the TIPCv2 mutators the equivalent generic-netlink

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  14. CVE-2026-74282

    Hoch · CVSS 7.5EPSS 0,7%Keine Korrektur veröffentlicht

    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 that it does not exceed the number of messages actually outstanding: tsk->snt_unacked -= msg_conn_ack(hdr); msg_conn_ack() is read straight from a received CONN_MANAGER/CONN_ACK message. If the ack count is larger than snt_unacked, the subtraction wraps to a near-maximum value, leaving tsk_conn_cong() permanently true and starving the connection of further transmits. Validate the ACK

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  15. CVE-2026-74281

    Hoch · CVSS 7.5EPSS 0,68%Keine Korrektur veröffentlicht

    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 the wire, without checking that lower <= upper. The local bind path validates the ordering (tipc_uaddr_valid()), but the name-distribution path does not. A binding with lower > upper is inserted at the far end of the service-range rbtree (keyed on lower) where no lookup or withdrawal can ever match it (service_range_foreach_match() requires sr->lower <= end). The publication, its service

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  16. CVE-2026-74279

    Kritisch · CVSS 10EPSS 0,76%Keine Korrektur veröffentlicht

    crypto: cavium/cpt - fix DMA cleanup using wrong loop index

    In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.

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  17. CVE-2026-74278

    Mittel · CVSS 4.8EPSS 0,17%Keine Korrektur veröffentlicht

    ALSA: seq: Fix kernel heap address leak in bounce_error_event()

    In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix kernel heap address leak in bounce_error_event() The comment above bounce_error_event() documents that user clients should receive SNDRV_SEQ_EVENT_BOUNCE with the original event embedded as variable-length data, while kernel clients should receive SNDRV_SEQ_EVENT_KERNEL_ERROR with a quoted kernel pointer. However, the implementation unconditionally uses SNDRV_SEQ_EVENT_KERNEL_ERROR with data.quote.event set to the raw struct snd_seq_event pointer for all clients. When a bounce error event is delivered to a USER_CLIENT via snd_seq_read(), the kernel heap add

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  18. CVE-2026-74276

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    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 hardware and writes to the TX FIFO register until TX FIFO FULL asserts in the status register. But the hardware does not only have the FIFO, it also has a shift register which can hold a byte. This can be seen, when writing a byte to the FIFO (while the SPI hardware is stopped,) the TX FIFO EMPTY is still empty. So, if we have a FIFO size of 16 for example, the current method returns a

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  19. CVE-2026-74271

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    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 overrun supplied_from array.

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  20. CVE-2026-74268

    Kritisch · CVSS 9.8EPSS 0,71%Keine Korrektur veröffentlicht

    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() / tcp_v6_syn_recv_sock(), the child is freed through put_and_exit, where inet_csk_prepare_forced_close() drops the socket lock and tcp_done() runs without it. If BPF_SOCK_OPS_STATE_CB_FLAG was inherited, tcp_done() -> tcp_set_state() calls tcp_call_bpf(), which expects the lock and trips sock_owned_by_me(): WARNING: include/net/sock.h:1799 at tcp_set_state+0x433/0x550 RIP: 0010:t

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