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Package · Ubuntu

linux

17,836 known vulnerabilities.

17,644 results · Feed

  • Unscored —

    xfrm_user: fix info leak in build_report()

    In the Linux kernel, the following vulnerability has been resolved: xfrm_user: fix info leak in build_report() struct xfrm_user_report is a __u8 proto field followed by a struct xfrm_selector which means there is three "empty" bytes of padding, but the paddin…

  • Critical 9.8

    mptcp: fix slab-use-after-free in __inet_lookup_established

    In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in __inet_lookup_established The ehash table lookups are lockless and rely on SLAB_TYPESAFE_BY_RCU to guarantee socket memory stability during RCU read-side cri…

  • Unscored —

    net: rfkill: prevent unlimited numbers of rfkill events from being created

    In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can create an unlimited number of rfkill events if the system is so configured, while not consuming them f…

  • Critical 9.8

    seg6: separate dst_cache for input and output paths in seg6 lwtunnel

    In the Linux kernel, the following vulnerability has been resolved: seg6: separate dst_cache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dst_cache per encap route, shared between seg6_input_core() and seg6_output_core(). These …

  • High 7.8

    Input: uinput - fix circular locking dependency with ff-core

    In the Linux kernel, the following vulnerability has been resolved: Input: uinput - fix circular locking dependency with ff-core A lockdep circular locking dependency warning can be triggered reproducibly when using a force-feedback gamepad with uinput (for e…

  • High 7.8

    btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref() After commit 1618aa3c2e01 ("btrfs: simplify return variables in lookup_extent_data_ref()"), the err and ret v…

  • High 7.8

    netfilter: nft_ct: fix use-after-free in timeout object destroy

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix use-after-free in timeout object destroy nft_ct_timeout_obj_destroy() frees the timeout object with kfree() immediately after nf_ct_untimeout(), without waiting for an …

  • Unscored —

    xfrm: clear trailing padding in build_polexpire()

    In the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in build_polexpire() build_expire() clears the trailing padding bytes of struct xfrm_user_expire after setting the hard field via memset_after(), but the analogou…

  • High 7.8

    xfrm: hold dev ref until after transport_finish NF_HOOK

    In the Linux kernel, the following vulnerability has been resolved: xfrm: hold dev ref until after transport_finish NF_HOOK After async crypto completes, xfrm_input_resume() calls dev_put() immediately on re-entry before the skb reaches transport_finish. The …

  • High 7.5

    tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG The GRP_ACK_MSG handler in tipc_group_proto_rcv() currently decrements bc_ackers on every inbound group ACK, even when the same member h…

  • Unscored —

    wifi: brcmsmac: Fix dma_free_coherent() size

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmsmac: Fix dma_free_coherent() size dma_alloc_consistent() may change the size to align it. The new size is saved in alloced. Change the free size to match the allocation size.

  • Unscored —

    nfc: pn533: allocate rx skb before consuming bytes

    In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: allocate rx skb before consuming bytes pn532_receive_buf() reports the number of accepted bytes to the serdev core. The current code consumes bytes into recv_skb and may already h…

  • Critical 9.8

    batman-adv: reject oversized global TT response buffers

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadv_tt_prepare_tvlv_global_data() builds the allocation length for a global TT response in 16-bit temporaries. When a remote origina…

  • Unscored —

    net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()

    In the Linux kernel, the following vulnerability has been resolved: net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit() When dma_map_single() fails in tse_start_xmit(), the function returns NETDEV_TX_OK without freeing the skb. Since NETDEV…

  • Critical 9.8

    batman-adv: hold claim backbone gateways by reference

    In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadv_bla_add_claim() can replace claim->backbone_gw and drop the old gateway's last reference while readers still follow the pointer. T…

  • High 7.8

    drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat

    In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intel_engine_park_heartbeat() race to releas…

  • Unscored —

    pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled

    In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled Keep the NOC_HDCP clock always enabled to fix the potential hang caused by the NoC ADB400 port power down handshake.

  • Unscored —

    mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails

    In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails damon_call() for repeat_call_control of DAMON_SYSFS could fail if somehow the kdamond is stopped before the damon_call(). It …

  • Unscored —

    mm/damon/stat: deallocate damon_call() failure leaking damon_ctx

    In the Linux kernel, the following vulnerability has been resolved: mm/damon/stat: deallocate damon_call() failure leaking damon_ctx damon_stat_start() always allocates the module's damon_ctx object (damon_stat_context). Meanwhile, if damon_call() in the func…

  • Unscored —

    mmc: vub300: fix use-after-free on disconnect

    In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix use-after-free on disconnect The vub300 driver maintains an explicit reference count for the controller and its driver data and the last reference can in theory be dropped af…

  • Unscored —

    mmc: vub300: fix NULL-deref on disconnect

    In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix NULL-deref on disconnect Make sure to deregister the controller before dropping the reference to the driver data on disconnect to avoid NULL-pointer dereferences or use-after…

  • Critical 9.8

    net: stmmac: fix integer underflow in chain mode

    In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix integer underflow in chain mode The jumbo_frm() chain-mode implementation unconditionally computes len = nopaged_len - bmax; where nopaged_len = skb_headlen(skb) (linear byte…

  • High 7.8

    mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()

    In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nr_pages calculation overflow in filemap_map_pages() When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up …

  • Unscored —

    idpf: fix PREEMPT_RT raw/bh spinlock nesting for async VC handling

    In the Linux kernel, the following vulnerability has been resolved: idpf: fix PREEMPT_RT raw/bh spinlock nesting for async VC handling Switch from using the completion's raw spinlock to a local lock in the idpf_vc_xn struct. The conversion is safe because com…

  • Unscored —

    net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()

    In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool() page_pool_create() can return an ERR_PTR on failure. The return value is used unconditionally in the loop that …

  • High 7.8

    net: lan966x: fix use-after-free and leak in lan966x_fdma_reload()

    In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix use-after-free and leak in lan966x_fdma_reload() When lan966x_fdma_reload() fails to allocate new RX buffers, the restore path restarts DMA using old descriptors whose pages…

  • Unscored —

    net: lan966x: fix page pool leak in error paths

    In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix page pool leak in error paths lan966x_fdma_rx_alloc() creates a page pool but does not destroy it if the subsequent fdma_alloc_coherent() call fails, leaking the pool. Simil…

  • Unscored —

    rxrpc: Fix key parsing memleak

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key parsing memleak In rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be leaked in a few error paths after it's allocated. Fix this by freeing it in the "rej…

  • Unscored —

    rxrpc: Fix call removal to use RCU safe deletion

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet->calls list to use list_del_rcu() rather than list_del_init() to prevent stuffing up reading /proc/net/r…

  • High 7.8

    rxrpc: Fix RxGK token loading to check bounds

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix RxGK token loading to check bounds rxrpc_preparse_xdr_yfs_rxgk() reads the raw key length and ticket length from the XDR token as u32 values and passes each through round_up(x, 4) …

  • High 7.5

    rxrpc: Fix use of wrong skb when comparing queued RESP challenge serial

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix use of wrong skb when comparing queued RESP challenge serial In rxrpc_post_response(), the code should be comparing the challenge serial number from the cached response before deci…

  • Unscored —

    rxrpc: Fix key reference count leak from call->key

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key reference count leak from call->key When creating a client call in rxrpc_alloc_client_call(), the code obtains a reference to the key. This is never cleaned up and gets leaked …

  • High 7.5

    rxrpc: Only put the call ref if one was acquired

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Only put the call ref if one was acquired rxrpc_input_packet_on_conn() can process a to-client packet after the current client call on the channel has already been torn down. In that c…

  • Critical 9.8

    rxrpc: reject undecryptable rxkad response tickets

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkad_decrypt_ticket() decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether crypto_skcipher_d…

  • Critical 9.1

    rxrpc: fix RESPONSE authenticator parser OOB read

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix RESPONSE authenticator parser OOB read rxgk_verify_authenticator() copies auth_len bytes into a temporary buffer and then passes p + auth_len as the parser limit to rxgk_do_verify_…

  • High 7.5
    CVE-2026-31635 Public exploit

    rxrpc: fix oversized RESPONSE authenticator length check

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix oversized RESPONSE authenticator length check rxgk_verify_response() decodes auth_len from the packet and is supposed to verify that it fits in the remaining bytes. The existing ch…

  • Unscored —

    rxrpc: fix reference count leak in rxrpc_server_keyring()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix reference count leak in rxrpc_server_keyring() This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.

  • Critical 9.8

    rxrpc: Fix integer overflow in rxgk_verify_response()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix integer overflow in rxgk_verify_response() In rxgk_verify_response(), there's a potential integer overflow due to rounding up token_len before checking it, thereby allowing the len…

  • Unscored —

    rxrpc: Fix leak of rxgk context in rxgk_verify_response()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of rxgk context in rxgk_verify_response() Fix rxgk_verify_response() to clean up the rxgk context it creates.

  • High 8.2

    rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix buffer overread in rxgk_do_verify_authenticator() Fix rxgk_do_verify_authenticator() to check the buffer size before checking the nonce.