CVE-2024-56780

In the Linux kernel, the following vulnerability has been resolved: quota: flush quota_release_work upon quota writeback One of the paths quota writeback is called from is: freeze_super()sync_filesystem()ext4_sync_fs()dquot_writeback_dquots() Since we currently don't always flush the quota_release_...

CVE-2024-56783

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level cgroup maximum depth is INT_MAX by default, there is a cgroup toggle torestrict this maximum depth to a more reasonable value not to harmperformance. Remove unneces...

CVE-2025-21638

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: auth_enable: avoid using current->nsproxy As mentioned in a previous commit of this series, using the 'net'structure via 'current' is not recommended for different reasons: Inconsistency: getting info from the read...

CVE-2025-21684

In the Linux kernel, the following vulnerability has been resolved: gpio: xilinx: Convert gpio_lock to raw spinlock irq_chip functions may be called in raw spinlock context. Therefore, wemust also use a raw spinlock for our own internal locking. This fixes the following lockdep splat: [ 5.349336] =...

CVE-2025-21669

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: discard packets if the transport changes If the socket has been de-assigned or assigned to another transport,we must discard any packets received because they are not expectedand would cause issues when we access vsk-...

CVE-2025-21631

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix waker_bfqq UAF after bfq_split_bfqq() Our syzkaller report a following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfq_init_rq+0x175d/0x17a0 block/bfq-iosched.c:6958Read of size 8 at addr ffff8881b57147d8 by ta...

CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_sk_select_reuseport() memory leak As pointed out in the original comment, lookup in sockmap can return a TCPESTABLISHED socket. Such TCP socket may have had SO_ATTACH_REUSEPORT_EBPFset before it was ESTABLISHED. In oth...

CVE-2025-21675

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Clear port select structure when fail to create Clear the port select structure on error so no stale values left afterdefiners are destroyed. That's because the mlx5_lag_destroy_definers()always try to destroy all lag def...

CVE-2024-56769

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg Syzbot reports [1] an uninitialized value issue found by KMSAN indib3000_read_reg(). Local u8 rb[2] is used in i2c_transfer() as a read buffer; in casethat call...

CVE-2024-56614

In the Linux kernel, the following vulnerability has been resolved: xsk: fix OOB map writes when deleting elements Jordy says: "In the xsk_map_delete_elem function an unsigned integer(map->max_entries) is compared with a user-controlled signed integer(k). Due to implicit type conversion, a large...

CVE-2024-56767

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to anull pointer dereference. For example, the len input is error, or theatchan->free_descs_l...

CVE-2024-56763

In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user.Also check zero for it.

CVE-2024-56760

In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Handle lack of irqdomain gracefully Alexandre observed a warning emitted from pci_msi_setup_msi_irqs() on aRISCV platform which does not provide PCI/MSI support: WARNING: CPU: 1 PID: 1 at drivers/pci/msi/msi.h:121 pci_msi_...

CVE-2025-21682

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: always recalculate features after XDP clearing, fix null-deref Recalculate features when XDP is detached. Before: ip li set dev eth0 xdp obj xdp_dummy.bpf.o sec xdp ip li set dev eth0 xdp off ethtool -k eth0 | grep gro r...

CVE-2025-21673

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCP_Server_Info::hostname When shutting down the server in cifs_put_tcp_session(), cifsd threadmight be reconnecting to multiple DFS targets before it realizes itshould exit the loop, so @server->...

CVE-2025-21666

In the Linux kernel, the following vulnerability has been resolved: vsock: prevent null-ptr-deref in vsock_*[has_data|has_space] Recent reports have shown how we sometimes call vsock_*_has_data()when a vsock socket has been de-assigned from a transport (see attachedlinks), but we shouldn't. Previou...

CVE-2024-56631

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sg_release() Fix a use-after-free bug in sg_release(), detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30kernel/locking/lockdep.c:5838__mutex_unlock_...

CVE-2025-21676

In the Linux kernel, the following vulnerability has been resolved: net: fec: handle page_pool_dev_alloc_pages error The fec_enet_update_cbd function calls page_pool_dev_alloc_pages but didnot handle the case when it returned NULL. There was a WARN_ON(!new_page)but it would still proceed to use the...

CVE-2024-56642

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanup_bearer(). syzkaller reported a use-after-free of UDP kernel socketin cleanup_bearer() without repro. [0][1] When bearer_disable() calls tipc_udp_disable(), cleanupof the UDP kern...

CVE-2025-21689

In the Linux kernel, the following vulnerability has been resolved: USB: serial: quatech2: fix null-ptr-deref in qt2_process_read_urb() This patch addresses a null-ptr-deref in qt2_process_read_urb() due toan incorrect bounds check in the following: if (newport > serial->num_ports) { dev_err(...

CVE-2024-57940

In the Linux kernel, the following vulnerability has been resolved: exfat: fix the infinite loop in exfat_readdir() If the file system is corrupted so that a cluster is linked toitself in the cluster chain, and there is an unused directoryentry in the cluster, 'dentry' will not be incremented, caus...

CVE-2024-56758

In the Linux kernel, the following vulnerability has been resolved: btrfs: check folio mapping after unlock in relocate_one_folio() When we call btrfs_read_folio() to bring a folio uptodate, we unlock thefolio. The result of that is that a different thread can modify themapping (like remove it with...

CVE-2024-56759

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block, at btrfs_cow_block(), and we have thetracepoint trace_btrfs_cow_block() enabled and preemption is also enabled(CONFIG_PREEMPT=y), we...

CVE-2024-56664

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix race between element replace and close() Element replace (with a socket different from the one stored) may racewith socket's close() link popping & unlinking. __sock_map_delete()unconditionally unrefs the (wrong) ...

CVE-2024-56761

In the Linux kernel, the following vulnerability has been resolved: x86/fred: Clear WFE in missing-ENDBRANCH #CPs An indirect branch instruction sets the CPU indirect branch tracker(IBT) into WAIT_FOR_ENDBRANCH (WFE) state and WFE stays assertedacross the instruction boundary. When the decoder find...

CVE-2025-21639

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: rto_min/max: avoid using current->nsproxy As mentioned in a previous commit of this series, using the 'net'structure via 'current' is not recommended for different reasons: Inconsistency: getting info from the read...

CVE-2025-21640

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy As mentioned in a previous commit of this series, using the 'net'structure via 'current' is not recommended for different reasons: Inconsistency: getting info from the ...

CVE-2024-56623

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix use after free on unload System crash is observed with stack trace warning of use afterfree. There are 2 signals to tell dpc_thread to terminate (UNLOADINGflag and kthread_stop). On setting the UNLOADING flag whe...

CVE-2024-56658

In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_template into net->xfrm.xfrm[46]_dst_ops...

CVE-2024-57798

In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() While receiving an MST up request message from one thread indrm_dp_mst_handle_up_req(), the MST topology could be removed fromanother thread via drm_dp_m...

CVE-2025-21665

In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a64-bit value to 32 bits, leading to a possible infinite loop when writingto an xfs filesystem.

CVE-2025-21693

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: properly synchronize freeing resources during CPU hotunplug In zswap_compress() and zswap_decompress(), the per-CPU acomp_ctx of thecurrent CPU at the beginning of the operation is retrieved and usedthroughout. However, ...

CVE-2024-57890

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Prevent integer overflow issue In the expression "cmd.wqe_size * cmd.wr_count", both variables are u32values that come from the user so the multiplication can lead to integerwrapping. Then we pass the result to uverbs_...

CVE-2024-57901

In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK Blamed commit forgot MSG_PEEK case, allowing a crash [1] as foundby syzbot. Rework vlan_get_protocol_dgram() to not touch skb at all,so that it can be used from many cpus on the ...

CVE-2025-21636

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy As mentioned in a previous commit of this series, using the 'net'structure via 'current' is not recommended for different reasons: Inconsistency: getting info fr...

CVE-2024-57913

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Remove WARN_ON in functionfs_bind This commit addresses an issue related to below kernel panic wherepanic_on_warn is enabled. It is caused by the unnecessary use of WARN_ONin functionsfs_bind, which easily leads ...

CVE-2025-21667

In the Linux kernel, the following vulnerability has been resolved: iomap: avoid avoid truncating 64-bit offset to 32 bits on 32-bit kernels, iomap_write_delalloc_scan() was inadvertently using a32-bit position due to folio_next_index() returning an unsigned long.This could lead to an infinite loop...

CVE-2024-57938

In the Linux kernel, the following vulnerability has been resolved: net/sctp: Prevent autoclose integer overflow in sctp_association_init() While by default max_autoclose equals to INT_MAX / HZ, one may setnet.sctp.max_autoclose to UINT_MAX. There is code insctp_association_init() that can conseque...

CVE-2024-57946

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: don't keep queue frozen during system suspend Commit 4ce6e2db00de ("virtio-blk: Ensure no requests in virtqueues beforedeleting vqs.") replaces queue quiesce with queue freeze in virtio-blk'sPM callbacks. And the motiva...

CVE-2024-56647

In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering ip_rt_bug arp link failure may trigger ip_rt_bug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x14/0x20Modules linked in:CPU: 0 UID: 0 PID: 0 Co...

CVE-2024-56770

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of thenumber of packets that the qdisc itself and all of its children holds.In case of netem, 'qlen' only acc...

CVE-2024-56768

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP On x86-64 calling bpf_get_smp_processor_id() in a kernel with CONFIG_SMPdisabled can trigger the following bug, as pcpu_hot is unavailable: [ 8.471774] BUG: unable to handle page f...

CVE-2025-21694

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix softlockup in __read_vmcore (part 2) Since commit 5cbcb62dddf5 ("fs/proc: fix softlockup in __read_vmcore") thenumber of softlockups in __read_vmcore at kdump time have gone down, butthey still happen sometimes. In a m...

CVE-2024-56619

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() Syzbot reported that when searching for records in a directory where theinode's i_size is corrupted and has a large value, memory access outsidethe folio/page ...

CVE-2025-21687

In the Linux kernel, the following vulnerability has been resolved: vfio/platform: check the bounds of read/write syscalls count and offset are passed from user space and not checked, onlyoffset is capped to 40 bits, which can be used to read/write out ofbounds of the device.

CVE-2025-21690

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Ratelimit warning logs to prevent VM denial of service If there's a persistent error in the hypervisor, the SCSI warning forfailed I/O can flood the kernel log and max out CPU utilization,preventing troubleshooting f...

CVE-2024-57900

In the Linux kernel, the following vulnerability has been resolved: ila: serialize calls to nf_register_net_hooks() syzbot found a race in ila_add_mapping() [1] commit 031ae72825ce ("ila: call nf_unregister_net_hooks() sooner")attempted to fix a similar issue. Looking at the syzbot repro, we have c...

CVE-2025-21699

In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag:depending on that flag, the pages in the address space will either usebuffer heads or iomap_foli...

CVE-2024-56615

In the Linux kernel, the following vulnerability has been resolved: bpf: fix OOB devmap writes when deleting elements Jordy reported issue against XSKMAP which also applies to DEVMAP - theindex used for accessing map entry, due to being a signed integer,causes the OOB writes. Fix is simple as chang...

CVE-2024-56650

In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: fix LED ID check in led_tg_check() Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70Read of size 1 at addr ffff8881022da0c8 by task repro/5879...Call Tr...