8,679 results · Feed
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High 7.8
RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests
In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests The FSM can run in a circle allowing rdma_resolve_ip() to be called twice on the same id_priv. While this cannot happe…
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High 8.8
mac80211: fix use-after-free in CCMP/GCMP RX
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix use-after-free in CCMP/GCMP RX When PN checking is done in mac80211, for fragmentation we need to copy the PN to the RX struct so we can later use it to do a comparison, since c…
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High 7.8
hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field
In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83791d) Fix NULL pointer dereference by removing unnecessary structure field If driver read val value sufficient for (val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & …
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Unscored —
cpufreq: schedutil: Use kobject release() method to free sugov_tunables
In the Linux kernel, the following vulnerability has been resolved: cpufreq: schedutil: Use kobject release() method to free sugov_tunables The struct sugov_tunables is protected by the kobject, so we can't free it directly. Otherwise we would get a call trac…
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Unscored —
hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field
In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field If driver read val value sufficient for (val & 0x08) && (!(val & 0x80)) && ((val & 0x7) == ((val >> 4) & …
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High 7.8
tty: Fix out-of-bound vmalloc access in imageblit
In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUT_VSCREENINFO passing the fb_var_screeninfo struct containing only the fields…
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Medium 5.3
hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field
In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0…
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Unscored —
ASoC: SOF: Fix DSP oops stack dump output contents
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Fix DSP oops stack dump output contents Fix @buf arg given to hex_dump_to_buffer() and stack address used in dump error output.
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Unscored —
blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd KASAN reports a use-after-free report when doing fuzz test: [693354.104835] ==============================================…
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Critical 9.8
nvme-rdma: destroy cm id before destroy qp to avoid use after free
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use aft…
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Unscored —
bpf: Add oversize check before call kvcalloc()
In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc() Commit 7661809d493b ("mm: don't allow oversized kvmalloc() calls") add the oversize check. When the allocation is larger than what kmalloc() sup…
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Medium 6.2
blktrace: Fix uaf in blk_trace access after removing by sysfs
In the Linux kernel, the following vulnerability has been resolved: blktrace: Fix uaf in blk_trace access after removing by sysfs There is an use-after-free problem triggered by following process: P1(sda) P2(sdb) echo 0 > /sys/block/sdb/trace/enable blk_trace…
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Unscored —
irqchip/gic-v3-its: Fix potential VPE leak on error
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Fix potential VPE leak on error In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error, there is an off-by-one in the number of VPEs to be freed. Fix it by simp…
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Unscored —
net: macb: fix use after free on rmmod
In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use after free on rmmod plat_dev->dev->platform_data is released by platform_device_unregister(), use of pclk and hclk is a use-after-free. Since device unregister won't need a…
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High 7.1
enetc: Fix illegal access when reading affinity_hint
In the Linux kernel, the following vulnerability has been resolved: enetc: Fix illegal access when reading affinity_hint irq_set_affinity_hit() stores a reference to the cpumask_t parameter in the irq descriptor, and that reference can be accessed later from …
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High 7.1
afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server
In the Linux kernel, the following vulnerability has been resolved: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server AFS-3 has two data fetch RPC variants, FS.FetchData and FS.FetchData64, and Linux's afs client switches between them when tal…
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Unscored —
drm/amd/pm: Update intermediate power state for SI
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Update intermediate power state for SI Update the current state as boot state during dpm initialization. During the subsequent initialization, set_power_state gets called to trans…
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Unscored —
mcb: fix error handling in mcb_alloc_bus()
In the Linux kernel, the following vulnerability has been resolved: mcb: fix error handling in mcb_alloc_bus() There are two bugs: 1) If ida_simple_get() fails then this code calls put_device(carrier) but we haven't yet called get_device(carrier) and probably…
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Unscored —
binder: make sure fd closes complete
In the Linux kernel, the following vulnerability has been resolved: binder: make sure fd closes complete During BC_FREE_BUFFER processing, the BINDER_TYPE_FDA object cleanup may close 1 or more fds. The close operations are completed using the task work mecha…
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High 7.8
drm/nouveau: avoid a use-after-free when BO init fails
In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: avoid a use-after-free when BO init fails nouveau_bo_init() is backed by ttm_bo_init() and ferries its return code back to the caller. On failures, ttm_bo_init() invokes the prov…
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High 7.8
staging: greybus: uart: fix tty use after free
In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to us…
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High 7.7
mISDN: fix possible use-after-free in HFC_cleanup()
In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFC_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the tim…
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Unscored —
atm: iphase: fix possible use-after-free in ia_module_exit()
In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fix possible use-after-free in ia_module_exit() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means tha…
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Unscored —
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means t…
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Unscored —
udf: Fix NULL pointer dereference in udf_symlink function
In the Linux kernel, the following vulnerability has been resolved: udf: Fix NULL pointer dereference in udf_symlink function In function udf_symlink, epos.bh is assigned with the value returned by udf_tgetblk. The function udf_tgetblk is defined in udf/misc.…
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High 7.1
drm/sched: Avoid data corruptions
In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruptions Wait for all dependencies of a job to complete before killing it to avoid data corruptions.
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High 8.4
virtio-net: Add validation for used length
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.
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High 7.8
ubifs: Fix races between xattr_{set|get} and listxattr operations
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix races between xattr_{set|get} and listxattr operations UBIFS may occur some problems with concurrent xattr_{set|get} and listxattr operations, such as assertion failure, memory cor…
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Medium 5.5
powerpc/mm: Fix lockup on kernel exec fault
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function is_exec_fault() will return 'false' when an exec fau…
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High 7.8
wl1251: Fix possible buffer overflow in wl1251_cmd_scan
In the Linux kernel, the following vulnerability has been resolved: wl1251: Fix possible buffer overflow in wl1251_cmd_scan Function wl1251_cmd_scan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size.
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High 7.1
coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()
In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() commit 6f755e85c332 ("coresight: Add helper for inserting synchronization packets") removed trailing '\0' from barrier_…
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Unscored —
RDMA/cma: Fix rdma_resolve_route() memory leak
In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdma_resolve_route() memory leak Fix a memory leak when "mda_resolve_route() is called more than once on the same "rdma_cm_id". This is possible if cma_query_handler() triggers …
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High 7.8
dm btree remove: assign new_root only when removal succeeds
In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign new_root only when removal succeeds remove_raw() in dm_btree_remove() may fail due to IO read error (e.g. read the content of origin block fails during shadowing), and…
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Unscored —
media: zr364xx: fix memory leak in zr364xx_start_readpipe
In the Linux kernel, the following vulnerability has been resolved: media: zr364xx: fix memory leak in zr364xx_start_readpipe syzbot reported memory leak in zr364xx driver. The problem was in non-freed urb in case of usb_submit_urb() fail. backtrace: [<ffffff…
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High 7.8
KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio
In the Linux kernel, the following vulnerability has been resolved: KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio BUG: KASAN: use-after-free in kvm_vm_ioctl_unregister_coalesced_mmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/c…
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Unscored —
jfs: fix GPF in diFree
In the Linux kernel, the following vulnerability has been resolved: jfs: fix GPF in diFree Avoid passing inode with JFS_SBI(inode->i_sb)->ipimap == NULL to diFree()[1]. GFP will appear: struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap; struct inomap *imap = J…
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High 7.8
fbmem: Do not delete the mode that is still in use
In the Linux kernel, the following vulnerability has been resolved: fbmem: Do not delete the mode that is still in use The execution of fb_delete_videomode() is not based on the result of the previous fbcon_mode_deleted(). As a result, the mode is directly de…
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Unscored —
scsi: core: Fix bad pointer dereference when ehandler kthread is invalid
In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix bad pointer dereference when ehandler kthread is invalid Commit 66a834d09293 ("scsi: core: Fix error handling of scsi_host_alloc()") changed the allocation logic to call put_d…
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Unscored —
smackfs: restrict bytes count in smk_set_cipso()
In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smk_set_cipso() Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 …
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Unscored —
f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances As syzbot reported, there is an use-after-free issue during f2fs recovery: Use-after-free write at 0xffff88823bc160…