CVE-2023-52881

In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Panand Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 guidelines: The ACK value is considered ac...

CVE-2024-26779

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix race condition on enabling fast-xmit fast-xmit must only be enabled after the sta has been uploaded to the driver,otherwise it could end up passing the not-yet-uploaded sta via drv_tx callsto the driver, leading...

CVE-2024-36939

In the Linux kernel, the following vulnerability has been resolved: nfs: Handle error of rpc_proc_register() in nfs_net_init(). syzkaller reported a warning 0 triggered while destroying immaturenetns. rpc_proc_register() was called in init_nfs_fs(), but its errorhas been ignored since at least the ...

CVE-2024-38538

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: make sure we have at least eth header len bytes syzbot triggered an uninit value[1] error in bridge device's xmit pathby sending a short (less than ETH_HLEN bytes) skb. To fix it check ifwe can actually pull that...

CVE-2024-38612

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNELis not defined. In that case if seg6_hmac_init() fails, thegenl_unregister_family() isn't called. This issue exist ...

CVE-2024-41014

In the Linux kernel, the following vulnerability has been resolved: xfs: add bounds checking to xlog_recover_process_data There is a lack of verification of the space occupied by fixed membersof xlog_op_header in the xlog_recover_process_data. We can create a crafted image to trigger an out of boun...

CVE-2024-42228

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Using uninitialized value *size when calling amdgpu_vce_cs_reloc Initialize the size before calling amdgpu_vce_cs_reloc, such as case 0x03000001.V2: To really improve the handling we would actuallyneed to have a separat...

CVE-2024-53124

In the Linux kernel, the following vulnerability has been resolved: net: fix data-races around sk->sk_forward_alloc Syzkaller reported this warning:------------[ cut here ]------------WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c5/0x1e0Modules linked in:CPU: 0 UID: 0 ...

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-2024-56748

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix a possible memory leak in qedf_alloc_and_init_sb() Hook "qed_ops->common->sb_init = qed_sb_init" does not release the DMAmemory sb_virt when it fails. Add dma_free_coherent() to free it. Thisis the same way as...

CVE-2021-47018

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Fix the definition of the fixmap area At the time being, the fixmap area is defined at the top ofthe address space or just below KASAN. This definition is not valid for PPC64. For PPC64, use the top of the I/O space. Be...

CVE-2021-47497

In the Linux kernel, the following vulnerability has been resolved: nvmem: Fix shift-out-of-bound (UBSAN) with byte size cells If a cell has 'nbits' equal to a multiple of BITS_PER_BYTE the logic *p &= GENMASK((cell->nbits%BITS_PER_BYTE) - 1, 0); will become undefined behavior because nbits modu...

CVE-2024-26670

In the Linux kernel, the following vulnerability has been resolved: arm64: entry: fix ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD Currently the ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD workaround isn'tquite right, as it is supposed to be applied after the last explicitmemory access, but is immediately...

CVE-2024-27052

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work The workqueue might still be running, when the driver is stopped. Toavoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().

CVE-2024-35817

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag Otherwise after the GTT bo is released, the GTT and gart space is freedbut amdgpu_ttm_backend_unbind will not clear the gart page table entryand leave valid mapping entry pointing...

CVE-2024-35835

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix a double-free in arfs_create_groups When in allocated by kvzalloc fails, arfs_create_groups will freeft->g and return an error. However, arfs_create_table, the only caller ofarfs_create_groups, will hold this erro...

CVE-2024-35904

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 ...

CVE-2024-35924

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Limit read size on v1.2 Between UCSI 1.2 and UCSI 2.0, the size of the MESSAGE_IN region wasincreased from 16 to 256. In order to avoid overflowing reads for oldersystems, add a mechanism to use the read UCSI vers...

CVE-2024-42270

In the Linux kernel, the following vulnerability has been resolved: netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init(). We had a report that iptables-restore sometimes triggered null-ptr-derefat boot time. [0] The problem is that iptable_nat_table_init() is exposed to user spacebef...

CVE-2024-42301

In the Linux kernel, the following vulnerability has been resolved: dev/parport: fix the array out-of-bounds risk Fixed array out-of-bounds issues caused by sprintfby replacing it with snprintf for safer data copying,ensuring the destination buffer is not overflowed. Below is the stack trace I enco...

CVE-2023-52637

In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) Lock jsk->sk to prevent UAF when setsockopt(..., SO_J1939_FILTER, ...)modifies jsk->filters while receiving packets. Following trace was seen on ...

CVE-2024-26769

In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: avoid deadlock on delete association path When deleting an association the shutdown path is deadlocking because wetry to flush the nvmet_wq nested. Avoid this by deadlock by deferringthe put work into its own work item.

CVE-2024-26883

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stackmap overflow check on 32-bit arches The stackmap code relies on roundup_pow_of_two() to compute the numberof hash buckets, and contains an overflow check by checking if theresulting value is 0. However, on 32-bit arch...

CVE-2024-26885

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix DEVMAP_HASH overflow check on 32-bit arches The devmap code allocates a number hash buckets equal to the next powerof two of the max_entries value provided when creating the map. Whenrounding up to the next power of two, t...

CVE-2024-35805

In the Linux kernel, the following vulnerability has been resolved: dm snapshot: fix lockup in dm_exception_table_exit There was reported lockup when we exit a snapshot with many exceptions.Fix this by adding "cond_resched" to the loop that frees the exceptions.

CVE-2024-35867

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.

CVE-2024-35905

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...

CVE-2024-35946

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix null pointer access when abort scan During cancel scan we might use vif that weren't scanning.Fix this by using the actual scanning vif.

CVE-2024-35973

In the Linux kernel, the following vulnerability has been resolved: geneve: fix header validation in geneve[6]_xmit_skb syzbot is able to trigger an uninit-value in geneve_xmit() [1] Problem : While most ip tunnel helpers (like ip_tunnel_get_dsfield())uses skb_protocol(skb, true), pskb_inet_may_pul...

CVE-2024-36020

In the Linux kernel, the following vulnerability has been resolved: i40e: fix vf may be used uninitialized in this function warning To fix the regression introduced by commit 52424f974bc5, which causesservers hang in very hard to reproduce conditions with resets races.Using two sources for the info...

CVE-2024-36932

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent use-after-free from occurring after cdev removal Since thermal_debug_cdev_remove() does not run under cdev->lock, it canrun in parallel with thermal_debug_cdev_state_update() and it may freethe struct th...

CVE-2024-36960

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix invalid reads in fence signaled events Correctly set the length of the drm_event to the size of the structurethat's actually used. The length of the drm_event was set to the parent structure instead ofto the drm_vmw...

CVE-2024-41064

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev->pdev changes If a PCI device is removed during eeh_pe_report_edev(), edev->pdevwill change and can cause a crash, hold the PCI rescan/remove lockwhile taking a copy of edev->pde...

CVE-2024-50035

In the Linux kernel, the following vulnerability has been resolved: ppp: fix ppp_async_encode() illegal access syzbot reported an issue in ppp_async_encode() [1] In this case, pppoe_sendmsg() is called with a zero size.Then ppp_async_encode() is called with an empty skb. BUG: KMSAN: uninit-value in...

CVE-2024-50049

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointer before dereferencing se [WHAT & HOW]se is null checked previously in the same function, indicatingit might be null; therefore, it must be checked when used again. This fixes 1 FORWARD_NULL issue ...

CVE-2024-50084

In the Linux kernel, the following vulnerability has been resolved: net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test() Commit a3c1e45156ad ("net: microchip: vcap: Fix use-after-free error inkunit test") fixed the use-after-free error, but introduced belowmemory leaks by remov...

CVE-2024-53194

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free of slot->bus on hot remove Dennis reports a boot crash on recent Lenovo laptops with a USB4 dock. Since commit 0fc70886569c ("thunderbolt: Reset USB4 v2 host router") andcommit 59a54c5f3dbd ("thunderbolt:...

CVE-2024-56602

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() sock_init_data() attaches the allocated sk object to the provided sockobject. If ieee802154_create() fails later, the allocated sk object isfreed, but the d...

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-2024-56739

In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() If the __rtc_read_time call fails,, the struct rtc_time tm; may containuninitialized data, or an illegal date/time read from the RTC hardware. When calling rtc_tm_...

CVE-2024-56756

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix freeing of the HMB descriptor table The HMB descriptor table is sized to the maximum number of descriptorsthat could be used for a given device, but __nvme_alloc_host_mem couldbreak out of the loop earlier on memory a...

CVE-2021-47073

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios init_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systemswhere the Dell WMI interface is supported. While exit_dell_smbios_wmi()unregisters it unconditi...

CVE-2023-52707

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fix use-after-free in ep_remove_wait_queue() If a non-root cgroup gets removed when there is a thread that registeredtrigger and is polling on a pressure file within the cgroup, the pollingwaitqueue gets freed in the fol...

CVE-2024-26691

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix circular locking dependency The rule inside kvm enforces that the vcpu->mutex is taken inside kvm->lock. The rule is violated by the pkvm_create_hyp_vm() which acquiresthe kvm->lock while already holding th...

CVE-2024-26710

In the Linux kernel, the following vulnerability has been resolved: powerpc/kasan: Limit KASAN thread size increase to 32KB KASAN is seen to increase stack usage, to the point that it was reportedto lead to stack overflow on some 32-bit machines (see link). To avoid overflows the stack size was dou...

CVE-2024-26802

In the Linux kernel, the following vulnerability has been resolved: stmmac: Clear variable when destroying workqueue Currently when suspending driver and stopping workqueue it is checked whetherworkqueue is not NULL and if so, it is destroyed.Function destroy_workqueue() does drain queue and does c...

CVE-2024-36015

In the Linux kernel, the following vulnerability has been resolved: ppdev: Add an error check in register_device In register_device, the return value of ida_simple_get is unchecked,in witch ida_simple_get will use an invalid index value. To address this issue, index should be checked after ida_simp...

CVE-2024-36896

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix access violation during port device removal Testing with KASAN and syzkaller revealed a bug in port.c:disable_store():usb_hub_to_struct_hub() can return NULL if the hub that the port belongs tois concurrently removed...

CVE-2024-38632

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix potential memory leak in vfio_intx_enable() If vfio_irq_ctx_alloc() failed will lead to 'name' memory leak.

CVE-2024-41001

In the Linux kernel, the following vulnerability has been resolved: io_uring/sqpoll: work around a potential audit memory leak kmemleak complains that there's a memory leak related to connecthandling: unreferenced object 0xffff0001093bdf00 (size 128):comm "iou-sqp-455", pid 457, jiffies 4294894164h...