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Package · Ubuntu

linux-gcp-5.4

8,800 known vulnerabilities.

8,688 results · Feed

  • Unscored —

    btrfs: log new dentries when logging parent dir of a conflicting inode

    In the Linux kernel, the following vulnerability has been resolved: btrfs: log new dentries when logging parent dir of a conflicting inode If we log the parent directory of a conflicting inode, we are not logging the new dentries of the directory, so when we …

  • Unscored —

    soc: fsl: qbman: fix race condition in qman_destroy_fq

    In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: fix race condition in qman_destroy_fq When QMAN_FQ_FLAG_DYNAMIC_FQID is set, there's a race condition between fq_table[fq->idx] state and freeing/allocating from the pool and…

  • High 8.8

    Bluetooth: HIDP: Fix possible UAF

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2cap_conn reference when user->remove callback is called: [ 97.809249] l2cap_conn_free: freeing conn f…

  • Unscored —

    net/rose: fix NULL pointer dereference in rose_transmit_link on reconnect

    In the Linux kernel, the following vulnerability has been resolved: net/rose: fix NULL pointer dereference in rose_transmit_link on reconnect syzkaller reported a bug [1], and the reproducer is available at [2]. ROSE sockets use four sk->sk_state values: TCP_…

  • High 7.8

    netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct() ctnetlink_dump_exp_ct() stores a conntrack pointer in cb->data for the netlink dump callback ctnetlink_exp_ct_dump_table(),…

  • High 8.6

    netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp() sip_help_tcp() parses the SIP Content-Length header with simple_strtoul(), which returns unsigned long, but st…

  • High 8.2

    netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case In decode_int(), the CONS case calls get_bits(bs, 2) to read a length value, then calls get_uint(bs, len) without checking…

  • Critical 9.1

    netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, then decrements it by 1 to skip the protoc…

  • Unscored —

    PM: runtime: Fix a race condition related to device removal

    In the Linux kernel, the following vulnerability has been resolved: PM: runtime: Fix a race condition related to device removal The following code in pm_runtime_work() may dereference the dev->parent pointer after the parent device has been freed: /* Maybe th…

  • High 7.8

    net/sched: teql: Fix double-free in teql_master_xmit

    In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teql_master_xmit Whenever a TEQL devices has a lockless Qdisc as root, qdisc_reset should be called using the seq_lock to avoid racing with the datapath. F…

  • Unscored —

    net: usb: cdc_ncm: add ndpoffset to NDP16 nframes bounds check

    In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc_ncm: add ndpoffset to NDP16 nframes bounds check cdc_ncm_rx_verify_ndp16() validates that the NDP header and its DPE entries fit within the skb. The first check correctly accoun…

  • Unscored —

    net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check

    In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdc_ncm_rx_verify_ndp32(). The DPE array size is …

  • Unscored —

    net: usb: aqc111: Do not perform PM inside suspend callback

    In the Linux kernel, the following vulnerability has been resolved: net: usb: aqc111: Do not perform PM inside suspend callback syzbot reports "task hung in rpm_resume" This is caused by aqc111_suspend calling the PM variant of its write_cmd routine. The simp…

  • High 7.8

    wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure ieee80211_tx_prepare_skb() has three error paths, but only two of them free the skb. The first error path (ieee80211_tx_p…

  • Unscored —

    ipv6: add NULL checks for idev in SRv6 paths

    In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths __in6_dev_get() can return NULL when the device has no IPv6 configuration (e.g. MTU < IPV6_MIN_MTU or after NETDEV_UNREGISTER). Add NULL checks fo…

  • Unscored —

    udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n

    In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n When CONFIG_IPV6 is disabled, the udp_sock_create6() function returns 0 (success) without actually creating a socket. …

  • Unscored —

    wifi: wlcore: Fix a locking bug

    In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: Fix a locking bug Make sure that wl->mutex is locked before it is unlocked. This has been detected by the Clang thread-safety analyzer.

  • High 7.8

    apparmor: fix race on rawdata dereference

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race on rawdata dereference There is a race condition that leads to a use-after-free situation: because the rawdata inodes are not refcounted, an attacker can start open()ing on…

  • High 7.8

    apparmor: fix race between freeing data and fs accessing it

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race between freeing data and fs accessing it AppArmor was putting the reference to i_private data on its end after removing the original entry from the file system. However the…

  • Unscored —

    apparmor: fix differential encoding verification

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix differential encoding verification Differential encoding allows loops to be created if it is abused. To prevent this the unpack should verify that a diff-encode chain terminates…

  • High 7.8

    apparmor: fix missing bounds check on DEFAULT table in verify_dfa()

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verify_dfa() The verify_dfa() function only checks DEFAULT_TABLE bounds when the state is not differentially encoded. When the verificat…

  • High 7.8

    apparmor: fix side-effect bug in match_char() macro usage

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix side-effect bug in match_char() macro usage The match_char() macro evaluates its character parameter multiple times when traversing differential encoding chains. When invoked wi…

  • Unscored —

    apparmor: replace recursive profile removal with iterative approach

    In the Linux kernel, the following vulnerability has been resolved: apparmor: replace recursive profile removal with iterative approach The profile removal code uses recursion when removing nested profiles, which can lead to kernel stack exhaustion and system…

  • Unscored —

    apparmor: fix: limit the number of levels of policy namespaces

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix: limit the number of levels of policy namespaces Currently the number of policy namespaces is not bounded relying on the user namespace limit. However policy namespaces aren't s…

  • Unscored —

    apparmor: fix memory leak in verify_header

    In the Linux kernel, the following vulnerability has been resolved: apparmor: fix memory leak in verify_header The function sets `*ns = NULL` on every call, leaking the namespace string allocated in previous iterations when multiple profiles are unpacked. Thi…

  • Unscored —
    CVE-2026-23398 Public exploit

    icmp: fix NULL pointer dereference in icmp_tag_validation()

    In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmp_tag_validation() icmp_tag_validation() unconditionally dereferences the result of rcu_dereference(inet_protos[proto]) without checking for NULL. The…

  • Unscored —

    wifi: mac80211: fix NULL deref in mesh_matches_local()

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in mesh_matches_local() mesh_matches_local() unconditionally dereferences ie->mesh_config to compare mesh configuration parameters. When called from mesh_rx_csa…

  • Unscored —

    nfnetlink_osf: validate individual option lengths in fingerprints

    In the Linux kernel, the following vulnerability has been resolved: nfnetlink_osf: validate individual option lengths in fingerprints nfnl_osf_add_callback() validates opt_num bounds and string NUL-termination but does not check individual option length field…

  • High 7.8

    netfilter: nf_tables: release flowtable after rcu grace period on error

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release flowtable after rcu grace period on error Call synchronize_rcu() after unregistering the hooks from error path, since a hook that already refers to this flowtabl…

  • High 7.8

    netfilter: xt_CT: drop pending enqueued packets on template removal

    In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_CT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue o…

  • Unscored —

    ice: Fix memory leak in ice_set_ringparam()

    In the Linux kernel, the following vulnerability has been resolved: ice: Fix memory leak in ice_set_ringparam() In ice_set_ringparam, tx_rings and xdp_rings are allocated before rx_rings. If the allocation of rx_rings fails, the code jumps to the done label l…

  • Unscored —

    Squashfs: check metadata block offset is within range

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: check metadata block offset is within range Syzkaller reports a "general protection fault in squashfs_copy_data" This is ultimately caused by a corrupted index look-up table, which …

  • Unscored —

    HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them

    In the Linux kernel, the following vulnerability has been resolved: HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them In commit 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), we handle the fact that raw …

  • Unscored —

    net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled

    In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the nd_tbl is never initialized because inet6_init() exits before ndisc_init()…

  • High 7.8

    net/sched: act_ife: Fix metalist update behavior

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ife: Fix metalist update behavior Whenever an ife action replace changes the metalist, instead of replacing the old data on the metalist, the current ife code is appending the …

  • Unscored —

    blktrace: fix __this_cpu_read/write in preemptible context

    In the Linux kernel, the following vulnerability has been resolved: blktrace: fix __this_cpu_read/write in preemptible context tracing_record_cmdline() internally uses __this_cpu_read() and __this_cpu_write() on the per-CPU variable trace_cmdline_save, and tr…

  • High 7.8

    nfc: rawsock: cancel tx_work before socket teardown

    In the Linux kernel, the following vulnerability has been resolved: nfc: rawsock: cancel tx_work before socket teardown In rawsock_release(), cancel any pending tx_work and purge the write queue before orphaning the socket. rawsock_tx_work runs on the system …

  • Unscored —

    sched/deadline: Fix missing ENQUEUE_REPLENISH during PI de-boosting

    In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUE_REPLENISH during PI de-boosting Running stress-ng --schedpolicy 0 on an RT kernel on a big machine might lead to the following WARNINGs (edited). sched: DL…

  • Unscored —

    net: phy: register phy led_triggers during probe to avoid AB-BA deadlock

    In the Linux kernel, the following vulnerability has been resolved: net: phy: register phy led_triggers during probe to avoid AB-BA deadlock There is an AB-BA deadlock when both LEDS_TRIGGER_NETDEV and LED_TRIGGER_PHY are enabled: [ 1362.049207] [<8054e4b8>] …

  • Unscored —

    wifi: radiotap: reject radiotap with unknown bits

    In the Linux kernel, the following vulnerability has been resolved: wifi: radiotap: reject radiotap with unknown bits The radiotap parser is currently only used with the radiotap namespace (not with vendor namespaces), but if the undefined field 18 is used, t…