Linux Kernel Security Vulnerabilities - November

CVE-2024-46773

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check denominator pbn_div before used [WHAT & HOW]A denominator cannot be 0, and is checked before used. This fixes 1 DIVIDE_BY_ZERO issue reported by Coverity.

CVE-2024-46774

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Prevent Spectre v1 gadget construction in sys_rtas() Smatch warns: arch/powerpc/kernel/rtas.c:1932 __do_sys_rtas() warn: potentialspectre issue 'args.args' [r] (local cap) The 'nargs' and 'nret' locals come directly f...

CVE-2024-46775

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Validate function returns [WHAT & HOW]Function return values must be checked before data can be usedin subsequent functions. This fixes 4 CHECKED_RETURN issues reported by Coverity.

CVE-2024-46776

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Run DC_LOG_DC after checking link->link_enc [WHAT]The DC_LOG_DC should be run after link->link_enc is checked, not before. This fixes 1 REVERSE_INULL issue reported by Coverity.

CVE-2024-46777

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid excessive partition lengths Avoid mounting filesystems where the partition would overflow the32-bits used for block number. Also refuse to mount filesystems wherethe partition length is so large we cannot safely index bi...

CVE-2024-46778

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check UnboundedRequestEnabled's value CalculateSwathAndDETConfiguration_params_st's UnboundedRequestEnabledis a pointer (i.e. dml_bool_t *UnboundedRequestEnabled), and thusif (p->UnboundedRequestEnabled) checks ...

CVE-2024-46779

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Free pvr_vm_gpuva after unlink This caused a measurable memory leak. Although the individualallocations are small, the leaks occurs in a high-usage codepath(remapping or unmapping device memory) so they add up quic...

CVE-2024-46780

In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtimefor modifications/repairs, but they are also regularly swapped, replacedduring resizing, an...

CVE-2024-46781

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix missing cleanup on rollforward recovery error In an error injection test of a routine for mount-time recovery, KASANfound a use-after-free bug. It turned out that if data recovery was performed using partial logscreated...

CVE-2024-46782

In the Linux kernel, the following vulnerability has been resolved: ila: call nf_unregister_net_hooks() sooner syzbot found an use-after-free Read in ila_nf_input [1] Issue here is that ila_xlat_exit_net() frees the rhashtable,then call nf_unregister_net_hooks(). It should be done in the reverse wa...

CVE-2024-46783

In the Linux kernel, the following vulnerability has been resolved: tcp_bpf: fix return value of tcp_bpf_sendmsg() When we cork messages in psock->cork, the last message triggers theflushing will result in sending a sk_msg larger than the currentmessage size. In this case, in tcp_bpf_send_verdic...

CVE-2024-46784

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup Currently napi_disable() gets called during rxq and txq cleanup,even before napi is enabled and hrtimer is initialized. It causeskernel panic. ? page_fault_oops+0x...

CVE-2024-46785

In the Linux kernel, the following vulnerability has been resolved: eventfs: Use list_del_rcu() for SRCU protected list variable Chi Zhiling reported: We found a null pointer accessing in tracefs[1], the reason is that thevariable 'ei_child' is set to LIST_POISON1, that means the list wasremoved in...

CVE-2024-46786

In the Linux kernel, the following vulnerability has been resolved: fscache: delete fscache_cookie_lru_timer when fscache exits to avoid UAF The fscache_cookie_lru_timer is initialized when the fscache moduleis inserted, but is not deleted when the fscache module is removed.If timer_reduce() is cal...

CVE-2024-46787

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix checks for huge PMDs Patch series "userfaultfd: fix races around pmd_trans_huge() check", v2. The pmd_trans_huge() code in mfill_atomic() is wrong in three differentways depending on kernel version: The pmd_trans_h...

CVE-2024-46788

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Use a cpumask to know what threads are kthreads The start_kthread() and stop_thread() code was not always called with theinterface_lock held. This means that the kthread variable could beunexpectedly changed causin...

CVE-2024-46789

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add check for s->flags in the alloc_tagging_slab_free_hook When enable CONFIG_MEMCG & CONFIG_KFENCE & CONFIG_KMEMLEAK, the followingwarning always occurs,This is because the following call stack occurred:mem_pool_allock...

CVE-2024-46790

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: mark codetags for poisoned page as empty When PG_hwpoison pages are freed they are treated differently infree_pages_prepare() and instead of being released they are isolated. Page allocation tag counters are decreme...

CVE-2024-46791

In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open The mcp251x_hw_wake() function is called with the mpc_lock mutex held anddisables the interrupt handler so that no interrupts can be processed whilewaking the de...

CVE-2024-46792

In the Linux kernel, the following vulnerability has been resolved: riscv: misaligned: Restrict user access to kernel memory raw_copy_{to,from}_user() do not call access_ok(), so this code alloweduserspace to access any virtual memory address.

CVE-2024-46793

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: Boards: Fix NULL pointer deref in BYT/CHT boards harder Since commit 13f58267cda3 ("ASoC: soc.h: don't create dummy Componentvia COMP_DUMMY()") dummy codecs declared like this: SND_SOC_DAILINK_DEF(dummy,DAILINK_COMP_AR...

CVE-2024-46794

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix data leak in mmio_read() The mmio_read() function makes a TDVMCALL to retrieve MMIO data for anaddress from the VMM. Sean noticed that mmio_read() unintentionally exposes the value of aninitialized variable (val) on th...

CVE-2024-46795

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset the binding mark of a reused connection Steve French reported null pointer dereference error from sha256 lib.cifs.ko can send session setup requests on reused connection.If reused connection is used for binding session...

CVE-2024-46796

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double put of @cfile in smb2_set_path_size() If smb2_compound_op() is called with a valid @cfile and returned-EINVAL, we need to call cifs_get_writable_path() before retrying itas the reference of @cfile was alread...

CVE-2024-46797

In the Linux kernel, the following vulnerability has been resolved: powerpc/qspinlock: Fix deadlock in MCS queue If an interrupt occurs in queued_spin_lock_slowpath() after we incrementqnodesp->count and before node->lock is initialized, another CPU mightsee stale lock values in get_tail_qnod...

CVE-2024-46798

In the Linux kernel, the following vulnerability has been resolved: ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object When using kernel with the following extra config, CONFIG_KASAN=y CONFIG_KASAN_GENERIC=y CONFIG_KASAN_INLINE=y CONFIG_KASAN_VMALLOC=y CONFIG_FRAME_WARN=4096 kernel detects that snd...

CVE-2024-46799

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX If number of TX queues are set to 1 we get a NULL pointerdereference during XDP_TX. ~# ethtool -L eth0 tx 1~# ./xdp-trafficgen udp -A <ipv6-src> -a <ipv6-dst>...

CVE-2024-46800

In the Linux kernel, the following vulnerability has been resolved: sch/netem: fix use after free in netem_dequeue If netem_dequeue() enqueues packet to inner qdisc and that qdiscreturns __NET_XMIT_STOLEN. The packet is dropped butqdisc_tree_reduce_backlog() is not called to update the parent'sq.ql...

CVE-2024-46801

In the Linux kernel, the following vulnerability has been resolved: libfs: fix get_stashed_dentry() get_stashed_dentry() tries to optimistically retrieve a stashed dentryfrom a provided location. It needs to ensure to hold rcu lock before itdereference the stashed location to prevent UAF issues. Us...

CVE-2024-46802

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: added NULL check at start of dc_validate_stream [Why]prevent invalid memory access [How]check if dc and stream are NULL

CVE-2024-46803

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check debug trap enable before write dbg_ev_file In interrupt context, write dbg_ev_file will be run by work queue. Itwill cause write dbg_ev_file execution after debug_trap_disable, whichwill cause NULL pointer access....

CVE-2024-46804

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add array index check for hdcp ddc access [Why]Coverity reports OVERRUN warning. Do not check if arrayindex valid. [How]Check msg_id valid and valid array index.

CVE-2024-46805

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix the waring dereferencing hive Check the amdgpu_hive_info *hive that maybe is NULL.

CVE-2024-46806

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix the warning division or modulo by zero Checks the partition mode and returns an error for an invalid mode.

CVE-2024-46807

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu: Check tbo resource pointer Validate tbo resource pointer, skip if NULL

CVE-2024-46808

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add missing NULL pointer check within dpcd_extend_address_range [Why & How]ASSERT if return NULL from kcalloc.

CVE-2024-46809

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check BIOS images before it is used BIOS images may fail to load and null checks are added before they areused. This fixes 6 NULL_RETURNS issues reported by Coverity.

CVE-2024-46810

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ Make sure the connector is fully initialized before signalling anyHPD events via drm_kms_helper_hotplug_event(), otherwise this maylead to NULL po...

CVE-2024-46811

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index may exceed array range within fpu_update_bw_bounding_box [Why]Coverity reports OVERRUN warning. soc.num_states couldbe 40. But array range of bw_params->clk_table.entries is 8. [How]Assert if soc.num_s...

CVE-2024-46812

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration [Why]Coverity reports Memory - illegal accesses. [How]Skip inactive planes.

CVE-2024-46813

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_index before accessing dc->links[] [WHY & HOW]dc->links[] has max size of MAX_LINKS and NULL is return when trying toaccess with out-of-bound index. This fixes 3 OVERRUN and 1 RESOURCE_LEAK issues ...

CVE-2024-46814

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check msg_id before processing transcation [WHY & HOW]HDCP_MESSAGE_ID_INVALID (-1) is not a valid msg_id nor is it a validarray index, and it needs checking before used. This fixes 4 OVERRUN issues reported by Cove...

CVE-2024-46815

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[] [WHY & HOW]num_valid_sets needs to be checked to avoid a negative index whenaccessing reader_wm_sets[num_valid_sets - 1]. This fixes an OVERRUN issue reported ...

CVE-2024-46816

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links [Why]Coverity report OVERRUN warning. There areonly max_links elements within dc->links. linkcount could up to AMDGPU_DM_MAX_DISPLAY_INDEX 31. [How...

CVE-2024-46817

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6 [Why]Coverity reports OVERRUN warning. Should abort amdgpu_dminitialize. [How]Return failure to amdgpu_dm_init.

CVE-2024-46818

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check gpio_id before used as array index [WHY & HOW]GPIO_ID_UNKNOWN (-1) is not a valid value for array index and thereforeshould be checked in advance. This fixes 5 OVERRUN issues reported by Coverity.

CVE-2024-46819

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: the warning dereferencing obj for nbio_v7_4 if ras_manager obj null, don't print NBIO err data

CVE-2024-46820

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: remove irq disabling in vcn 5 suspend We do not directly enable/disable VCN IRQ in vcn 5.0.0.And we do not handle the IRQ state as well. So the calls todisable IRQ and set state are removed. This effectively getsrid...

CVE-2024-46821

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fix negative array index read Avoid using the negative valuesfor clk_idex as an index into an array pptable->DpmDescriptor. V2: fix clk_index return check (Tim Huang)

CVE-2024-46822

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry In a review discussion of the changes to support vCPU hotplug wherea check was added on the GICC being enabled if was online, it wasnoted that there is need to map...