Linux Security Vulnerabilities
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_lease_break() Skip sessions that are being teared down (status == SES_EXITING) toavoid UAF.
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) toavoid UAF.
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_dump_full_key() Skip sessions that are being teared down (status == SES_EXITING) toavoid UAF.
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_proc_show() Skip sessions that are being teared down (status == SES_EXITING) toavoid UAF.
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_stats_proc_write() Skip sessions that are being teared down (status == SES_EXITING) toavoid UAF.
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: guarantee refcounted children from parent session Avoid potential use-after-free bugs when walking DFS referrals,mounting and performing DFS failover by ensuring that all childrenfrom parent @tcon->ses are also refc...
8.4CVSS
7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2_reconnect_server() The UAF bug is due to smb2_reconnect_server() accessing a session thatis already being teared down by another thread that is executing__cifs_put_smb_ses(). This can happen when (a) th...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: riscv: process: Fix kernel gp leakage childregs represents the registers which are active for the new threadin user context. For a kernel thread, childregs->gp is never used sincethe kernel gp is not touched by switch_to. For a ...
6.8AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix GUP-fast succeeding on secretmem folios folio_is_secretmem() currently relies on secretmem folios being LRUfolios, to save some cycles. However, folios might reside in a folio batch without the LRU flag set, ortem...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix vector state restore in rt_sigreturn() The RISC-V Vector specification states in "Appendix D: CallingConvention for Vector State" [1] that "Executing a system call causesall caller-saved vector registers (v0-v31, vl, vty...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: aio: Fix null ptr deref in aio_complete() wakeup list_del_init_careful() needs to be the last access to the wait queueentry - it effectively unlocks access. Previously, finish_wait() would see the empty list head and skip takingthe...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: x86/coco: Require seeding RNG with RDRAND on CoCo systems There are few uses of CoCo that don't rely on working cryptography andhence a working RNG. Unfortunately, the CoCo threat model means that theVM host cannot be trusted and m...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: fix VM_PAT handling in COW mappings PAT handling won't do the right thing in COW mappings: the first PTE (or,in fact, all PTEs) can be replaced during write faults to point at anonfolios. Reliably recovering the correct...
6.3AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: of: module: prevent NULL pointer dereference in vsnprintf() In of_modalias(), we can get passed the str and len parameters which wouldcause a kernel oops in vsnprintf() since it only allows passing a NULL ptrwhen the length is also...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: of: dynamic: Synchronize of_changeset_destroy() with the devlink removals In the following sequence: of_platform_depopulate() of_overlay_remove() During the step 1, devices are destroyed and devlinks are removed.During the step 2, ...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: io_uring/kbuf: hold io_buffer_list reference over mmap If we look up the kbuf, ensure that it doesn't get unregistered untilafter we're done with it. Since we're inside mmap, we cannot safely usethe io_uring lock. Rely on the fact ...
6.8AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP Jan Schunk reports that his small NFS servers suffer from memoryexhaustion after just a few days. A bisect shows that commite18e157bb5c8 ("SUNRPC: Send RPC message on TCP...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: spi: mchp-pci1xxx: Fix a possible null pointer dereference in pci1xxx_spi_probe In function pci1xxxx_spi_probe, there is a potential null pointer thatmay be caused by a failed memory allocation by the function devm_kzalloc.Hence, a...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: udp: do not accept non-tunnel GSO skbs landing in a tunnel When rx-udp-gro-forwarding is enabled UDP packets might be GROed whenbeing forwarded. If such packets might land in a tunnel this can causevarious issues and udp_gro_receiv...
6.4AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: mlxbf_gige: stop interface during shutdown The mlxbf_gige driver intermittantly encounters a NULL pointerexception while the system is shutting down via "reboot" command.The mlxbf_driver will experience an exception right after exe...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix infinite recursion in fib6_dump_done(). syzkaller reported infinite recursive calls of fib6_dump_done() duringnetlink socket destruction. [1] From the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and thenthe res...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: ax25: fix use-after-free bugs caused by ax25_ds_del_timer When the ax25 device is detaching, the ax25_dev_device_down()calls ax25_ds_del_timer() to cleanup the slave_timer. Whenthe timer handler is running, the ax25_ds_del_timer() ...
6.8AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: erspan: make sure erspan_base_hdr is present in skb->head syzbot reported a problem in ip6erspan_rcv() [1] Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer makesure erspan_base_hdr is present in skb linear part (skb-&g...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: idpf: fix kernel panic on unknown packet types In the very rare case where a packet type is unknown to the driver,idpf_rx_process_skb_fields would return early without callingeth_type_trans to set the skb protocol / the network lay...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: gro: fix ownership transfer If packets are GROed with fraglist they might be segmented later on andcontinue their journey in the stack. In skb_segment_list those skbs canbe reused as-is. This is an issue as their destructor was rem...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fix potential null pointer dereference In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() mayreturn NULL as ptp_header due to abnormal packet type or corrupted packet.Fix this bug by adding ptp_he...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net/sched: fix lockdep splat in qdisc_tree_reduce_backlog() qdisc_tree_reduce_backlog() is called with the qdisc lock held,not RTNL. We must use qdisc_lookup_rcu() instead of qdisc_lookup() syzbot reported: WARNING: suspicious RCU ...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_skbmod: prevent kernel-infoleak syzbot found that tcf_skbmod_dump() was copying four bytesfrom kernel stack to user space [1]. The issue here is that 'struct tc_skbmod' has a four bytes hole. We need to clear the str...
6.3AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent BPF accessing lowat from a subflow socket. Alexei reported the following splat: WARNING: CPU: 32 PID: 3276 at net/mptcp/subflow.c:1430 subflow_data_ready+0x147/0x1c0Modules linked in: dummy bpf_testmod(O) [last unloa...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deleteselements from a sockmap/sockhash map. Because BPF tracing programs can beinvoked from any interrup...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposedby BPF after commit 20f2505fb436 ("bpf: Try to avoid kzallocin cgroup/{s,g}etsockopt") setsockopt() @optlen argument should be...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: discard table flag update with pending basechain deletion Hook unregistration is deferred to the commit phase, same occurs withhook updates triggered by the table dormant flag. When both commands arecombined, ...
6.8AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() canconcurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().And thhere ...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: flush pending destroy work before exit_net release Similar to 2c9f0293280e ("netfilter: nf_tables: flush pending destroywork before netlink notifier") to address a race between exit_net andthe destroy workqueu...
6.1CVSS
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: reject new basechain after table flag update When dormant flag is toggled, hooks are disabled in the commit phase byiterating over current chains in table (existing and new). The following configuration allows...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix Rx DMA datasize and skb_over_panic mana_get_rxbuf_cfg() aligns the RX buffer's DMA datasize to bemultiple of 64. So a packet slightly bigger than mtu+14, say 1536,can be received and cause skb_over_panic. Sample dmes...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net/rds: fix possible cp null dereference cp might be null, calling cp->cp_conn would produce null dereference [Simon Horman adds:] Analysis: cp is a parameter of __rds_rdma_map and is not reassigned. The following call-sites pa...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: x86/bpf: Fix IP after emitting call depth accounting Adjust the IP passed to emit_patch so it calculates the correct offsetfor the CALL instruction if x86_call_depth_emit_accounting emits code.Otherwise we will skip some instructio...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: selinux: avoid dereference of garbage after mount failure In case kern_mount() fails and returns an error pointer return in theerror branch instead of continuing and dereferencing the error pointer. While on it drop the never read ...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stackmemory being negative; the access size can appear negative as a resultof overflowing its signed int repr...
7.1AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: mlxbf_gige: call request_irq() after NAPI initialized The mlxbf_gige driver encounters a NULL pointer exception inmlxbf_gige_open() when kdump is enabled. The sequence to reproducethe exception is as follows:a) enable kdumpb) trigg...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: tls: get psock ref after taking rxlock to avoid leak At the start of tls_sw_recvmsg, we take a reference on the psock, andthen call tls_rx_reader_lock. If that fails, we return directlywithout releasing the reference. Instead of ad...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: Split 64bit accesses to fix alignment issues Some of the registers are aligned on a 32bit boundary, causingalignment faults on 64bit platforms. Unable to handle kernel paging request at virtual address ffffffc084a1...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: tcp: properly terminate timers for kernel sockets We had various syzbot reports about tcp timers firing afterthe corresponding netns has been dismantled. Fortunately Josef Bacik could trigger the issue more often,and could test a p...
6.5AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: ice: fix memory corruption bug with suspend and rebuild The ice driver would previously panic after suspend. This is causedfrom the driver only calling the ice_vsi_free_q_vectors() function byitself, when it is suspending. Since co...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: rfi: fix potential response leaks If the rx payload length check fails, or if kmemdup() fails,we still need to free the command response. Fix that.
6.9AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: pick the version of SESSION_PROTECTION_NOTIF When we want to know whether we should look for the mac_id or thelink_id in struct iwl_mvm_session_prot_notif, we should look at theversion of SESSION_PROTECTION_NOTI...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix error cleanup path in nfsd_rename() Commit a8b0026847b8 ("rename(): avoid a deadlock in the case of parentshaving no common ancestor") added an error bail out path. However thispath does not drop the remount protection th...
6.6AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet syzbot reported the following uninit-value access issue [1][2]: nci_rx_work() parses and processes received packet. When the payloadlength is zero, each message type handl...
6.7AI Score
0.0004EPSS
In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fix NULL pointer dereference in sanitycheck() If due to a memory allocation failure mock_chain() returns NULL, it ispassed to dma_fence_enable_sw_signaling() resulting in NULL pointerdereference there. Call dma_fence_enabl...
6.6AI Score
0.0004EPSS