18,534 results · Feed
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Unscored —
can: mcp251x: fix deadlock in error path of mcp251x_open
In the Linux kernel, the following vulnerability has been resolved: can: mcp251x: fix deadlock in error path of mcp251x_open The mcp251x_open() function call free_irq() in its error path with the mpc_lock mutex held. But if an interrupt already occurred the i…
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Unscored —
drbd: fix "LOGIC BUG" in drbd_al_begin_io_nonblock()
In the Linux kernel, the following vulnerability has been resolved: drbd: fix "LOGIC BUG" in drbd_al_begin_io_nonblock() Even though we check that we "should" be able to do lc_get_cumulative() while holding the device->al_lock spinlock, it may still fail, if …
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Unscored —
ata: libata: cancel pending work after clearing deferred_qc
In the Linux kernel, the following vulnerability has been resolved: ata: libata: cancel pending work after clearing deferred_qc Syzbot reported a WARN_ON() in ata_scsi_deferred_qc_work(), caused by ap->ops->qc_defer() returning non-zero before issuing the def…
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Unscored —
x86/fred: Correct speculative safety in fred_extint()
In the Linux kernel, the following vulnerability has been resolved: x86/fred: Correct speculative safety in fred_extint() array_index_nospec() is no use if the result gets spilled to the stack, as it makes the believed safe-under-speculation value subject to …
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Unscored —
ice: fix crash in ethtool offline loopback test
In the Linux kernel, the following vulnerability has been resolved: ice: fix crash in ethtool offline loopback test Since the conversion of ice to page pool, the ethtool loopback test crashes: BUG: kernel NULL pointer dereference, address: 000000000000000c #P…
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Unscored —
x86/efi: defer freeing of boot services memory
In the Linux kernel, the following vulnerability has been resolved: x86/efi: defer freeing of boot services memory efi_free_boot_services() frees memory occupied by EFI_BOOT_SERVICES_CODE and EFI_BOOT_SERVICES_DATA using memblock_free_late(). There are two is…
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High 7.8
netfilter: nft_set_pipapo: split gc into unlink and reclaim phase
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: split gc into unlink and reclaim phase Yiming Qian reports Use-after-free in the pipapo set type: Under a large number of expired elements, commit-time GC can run f…
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High 7.8
drm/xe/queue: Call fini on exec queue creation fail
In the Linux kernel, the following vulnerability has been resolved: drm/xe/queue: Call fini on exec queue creation fail Every call to queue init should have a corresponding fini call. Skipping this would mean skipping removal of the queue from GuC list (which…
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Unscored —
HID: pidff: Fix condition effect bit clearing
In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared. Properly…
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Unscored —
cxl: Fix race of nvdimm_bus object when creating nvdimm objects
In the Linux kernel, the following vulnerability has been resolved: cxl: Fix race of nvdimm_bus object when creating nvdimm objects Found issue during running of cxl-translate.sh unit test. Adding a 3s sleep right before the test seems to make the issue repro…
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Unscored —
can: usb: f81604: correctly anchor the urb in the read bulk callback
In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could …
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Unscored —
arm64: io: Extract user memory type in ioremap_prot()
In the Linux kernel, the following vulnerability has been resolved: arm64: io: Extract user memory type in ioremap_prot() The only caller of ioremap_prot() outside of the generic ioremap() implementation is generic_access_phys(), which passes a 'pgprot_t' val…
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Unscored —
arm64: gcs: Do not set PTE_SHARED on GCS mappings if FEAT_LPA2 is enabled
In the Linux kernel, the following vulnerability has been resolved: arm64: gcs: Do not set PTE_SHARED on GCS mappings if FEAT_LPA2 is enabled When FEAT_LPA2 is enabled, bits 8-9 of the PTE replace the shareability attribute with bits 50-51 of the output addre…
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Unscored —
crypto: ccp - Fix use-after-free on error path
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix use-after-free on error path In the error path of sev_tsm_init_locked(), the code dereferences 't' after it has been freed with kfree(). The pr_err() statement attempts to a…
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Unscored —
xdp: produce a warning when calculated tailroom is negative
In the Linux kernel, the following vulnerability has been resolved: xdp: produce a warning when calculated tailroom is negative Many ethernet drivers report xdp Rx queue frag size as being the same as DMA write size. However, the only user of this field, name…
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Unscored —
bpf: Fix race in cpumap on PREEMPT_RT
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in cpumap on PREEMPT_RT On PREEMPT_RT kernels, the per-CPU xdp_bulk_queue (bq) can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assu…
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Unscored —
accel/amdxdna: Fix crash when destroying a suspended hardware context
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix crash when destroying a suspended hardware context If userspace issues an ioctl to destroy a hardware context that has already been automatically suspended, the driver may …
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Unscored —
nfc: nci: free skb on nci_transceive early error paths
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: free skb on nci_transceive early error paths nci_transceive() takes ownership of the skb passed by the caller, but the -EPROTO, -EINVAL, and -EBUSY error paths return without freein…
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High 7.8
net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs
In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netif_set_real_num_tx_queues() calls qdisc_reset_all_tx_gt() to flus…
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Unscored —
drm/amdgpu/userq: Do not allow userspace to trivially triger kernel warnings
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: Do not allow userspace to trivially triger kernel warnings Userspace can either deliberately pass in the too small num_fences, or the required number can legitimately grow b…
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High 7.8
wifi: cfg80211: cancel rfkill_block work in wiphy_unregister()
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: cancel rfkill_block work in wiphy_unregister() There is a use-after-free error in cfg80211_shutdown_all_interfaces found by syzkaller: BUG: KASAN: use-after-free in cfg80211_s…
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Unscored —
pinctrl: pinconf-generic: Fix memory leak in pinconf_generic_parse_dt_config()
In the Linux kernel, the following vulnerability has been resolved: pinctrl: pinconf-generic: Fix memory leak in pinconf_generic_parse_dt_config() In pinconf_generic_parse_dt_config(), if parse_dt_cfg() fails, it returns directly. This bypasses the cleanup lo…
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Unscored —
RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah() struct irdma_create_ah_resp { // 8 bytes, no padding __u32 ah_id; // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx) __u8 r…
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Unscored —
can: usb: f81604: handle short interrupt urb messages properly
In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid.
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Unscored —
cpufreq: intel_pstate: Fix crash during turbo disable
In the Linux kernel, the following vulnerability has been resolved: cpufreq: intel_pstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1…
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Unscored —
udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected.
In the Linux kernel, the following vulnerability has been resolved: udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected. Let's say we bind() an UDP socket to the wildcard address with a non-zero port, connect() it to an address, and …
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Unscored —
nfc: nci: complete pending data exchange on device close
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: complete pending data exchange on device close In nci_close_device(), complete any pending data exchange before closing. The data exchange callback (e.g. rawsock_data_exchange_compl…
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Unscored —
libie: don't unroll if fwlog isn't supported
In the Linux kernel, the following vulnerability has been resolved: libie: don't unroll if fwlog isn't supported The libie_fwlog_deinit() function can be called during driver unload even when firmware logging was never properly initialized. This led to call t…
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Unscored —
accel/amdxdna: Fix NULL pointer dereference of mgmt_chann
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmt_chann mgmt_chann may be set to NULL if the firmware returns an unexpected error in aie2_send_mgmt_msg_wait(). This can later lead to a NULL…
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Unscored —
xsk: Fix fragment node deletion to prevent buffer leak
In the Linux kernel, the following vulnerability has been resolved: xsk: Fix fragment node deletion to prevent buffer leak After commit b692bf9a7543 ("xsk: Get rid of xdp_buff_xsk::xskb_list_node"), the list_node field is reused for both the xskb pool list an…
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Unscored —
cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()
In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed() cxl_payload_from_user_allowed() casts and dereferences the input payload without first verifying i…
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Unscored —
wifi: mt76: mt7996: Fix possible oob access in mt7996_mac_write_txwi_80211()
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix possible oob access in mt7996_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt7996_mac_write_txwi_80211 in order to avoid a possible oo…
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Unscored —
can: usb: etas_es58x: correctly anchor the urb in the read bulk callback
In the Linux kernel, the following vulnerability has been resolved: can: usb: etas_es58x: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it co…
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Unscored —
hwmon: (macsmc) Fix regressions in Apple Silicon SMC hwmon driver
In the Linux kernel, the following vulnerability has been resolved: hwmon: (macsmc) Fix regressions in Apple Silicon SMC hwmon driver The recently added macsmc-hwmon driver contained several critical bugs in its sensor population logic and float conversion ro…
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Unscored —
ipmi: Fix use-after-free and list corruption on sender error
In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix use-after-free and list corruption on sender error The analysis from Breno: When the SMI sender returns an error, smi_work() delivers an error response but then jumps back to restar…
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Unscored —
mptcp: pm: in-kernel: always mark signal+subflow endp as used
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always mark signal+subflow endp as used Syzkaller managed to find a combination of actions that was generating this warning: msk->pm.local_addr_used == 0 WARNING: net/mp…
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Unscored —
bpf: Fix a UAF issue in bpf_trampoline_link_cgroup_shim
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a UAF issue in bpf_trampoline_link_cgroup_shim The root cause of this bug is that when 'bpf_link_put' reduces the refcount of 'shim_link->link.link' to zero, the resource is consider…
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Unscored —
ALSA: usb-audio: Use correct version for UAC3 header validation
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Use correct version for UAC3 header validation The entry of the validators table for UAC3 AC header descriptor is defined with the wrong protocol version UAC_VERSION_2, while…
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High 7.8
drm/vmwgfx: Return the correct value in vmw_translate_ptr functions
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions Before the referenced fixes these functions used a lookup function that returned a pointer. This was changed to another loo…
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Unscored —
net: ipv4: fix ARM64 alignment fault in multipath hash seed
In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix ARM64 alignment fault in multipath hash seed `struct sysctl_fib_multipath_hash_seed` contains two u32 fields (user_seed and mp_seed), making it an 8-byte structure with a 4-byt…