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Linux
18,386 known vulnerabilities.
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Medium 5.3
mt76: fix potential DMA mapping leak
In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, …
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Medium 5.5
crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map
In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by a…
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Medium 5.5
netfs, fscache: Prevent Oops in fscache_put_cache()
In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: Prevent Oops in fscache_put_cache() This function dereferences "cache" and then checks if it's IS_ERR_OR_NULL(). Check first, then dereference.
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Medium 4.4
dmaengine: fix NULL pointer in channel unregistration function
In the Linux kernel, the following vulnerability has been resolved: dmaengine: fix NULL pointer in channel unregistration function __dma_async_device_channel_register() can fail. In case of failure, chan->local is freed (with free_percpu()), and chan->local i…
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Medium 5.5
mm: migrate: fix getting incorrect page mapping during page migration
In the Linux kernel, the following vulnerability has been resolved: mm: migrate: fix getting incorrect page mapping during page migration When running stress-ng testing, we found below kernel crash after a few hours: Unable to handle kernel NULL pointer deref…
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Medium 4.7
arm64: errata: Add Cortex-A520 speculative unprivileged load workaround
In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Add Cortex-A520 speculative unprivileged load workaround Implement the workaround for ARM Cortex-A520 erratum 2966298. On an affected Cortex-A520 core, a speculatively executed…
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Medium 4.4
powerpc/64s: Fix pte update for kernel memory on radix
In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix pte update for kernel memory on radix When adding a PTE a ptesync is needed to order the update of the PTE with subsequent accesses otherwise a spurious fault may be raised. …
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Medium 4.3
mt76: mt7921: fix memory leak in mt7921_coredump_work
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix memory leak in mt7921_coredump_work Fix possible memory leak in mt7921_coredump_work.
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Medium 5.5
ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
In the Linux kernel, the following vulnerability has been resolved: ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook The commit 1879445dfa7b ("perf/core: Set event's default ::overflow_handler()") set a default event->overfl…
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Medium 4.7
i2c: sprd: fix reference leak when pm_runtime_get_sync fails
In the Linux kernel, the following vulnerability has been resolved: i2c: sprd: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in sprd_i2c_master_xfer() and sprd_i2c_remove(). However, pm_ru…
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Medium 5.5
irqchip/gic-v3: Do not enable irqs when handling spurious interrups
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Do not enable irqs when handling spurious interrups We triggered the following error while running our 4.19 kernel with the pseudo-NMI patches backported to it: [ 14.816231] -…
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Medium 5.5
riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe
In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe The execution of sys_read end up hitting a BUG_ON() in __find_get_block after installing kprobe at sys_read, the BUG mes…
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Medium 5.5
tracing: Restructure trace_clock_global() to never block
In the Linux kernel, the following vulnerability has been resolved: tracing: Restructure trace_clock_global() to never block It was reported that a fix to the ring buffer recursion detection would cause a hung machine when performing suspend / resume testing.…
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Medium 5.5
dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback Current code blindly writes over the SWERR and the OVERFLOW bits. Write back the bits actually read instead so the driver av…
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Medium 5.5
erofs: fix inconsistent per-file compression format
In the Linux kernel, the following vulnerability has been resolved: erofs: fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis, and each per-file compression algorithm needs to be marked in the on-disk supe…
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Medium 5.3
Race condition vulnerability in Linux kernel media/dvb-core in dvbdmx_write()
A race condition was found in the Linux kernel's media/dvb-core in dvbdmx_write() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
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Medium 4.6
Race condition vulnerability in Linux kernel bluetooth in conn_info_{min,max}_age_set()
A race condition was found in the Linux kernel's net/bluetooth device driver in conn_info_{min,max}_age_set() function. This can result in integrity overflow issue, possibly leading to bluetooth connection abnormality or denial of service.
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Medium 4.6
Race condition vulnerability in Linux kernel net/bluetooth in {conn,adv}_{min,max}_interval_set()
A race condition was found in the Linux kernel's net/bluetooth in {conn,adv}_{min,max}_interval_set() function. This can result in I2cap connection or broadcast abnormality issue, possibly leading to denial of service.
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Medium 4.6
Race condition vulnerability in Linux kernel bluetooth sniff_{min,max}_interval_set()
A race condition was found in the Linux kernel's net/bluetooth in sniff_{min,max}_interval_set() function. This can result in a bluetooth sniffing exception issue, possibly leading denial of service.
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Medium 4.6
Race condition vulnerability in Linux kernel bluetooth driver in {min,max}_key_size_set()
A race condition was found in the Linux kernel's bluetooth device driver in {min,max}_key_size_set() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
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Medium 5.0
Race condition vulnerability in Linux kernel scsi device driver lpfc_unregister_fcf_rescan()
A race condition was found in the Linux kernel's scsi device driver in lpfc_unregister_fcf_rescan() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
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Medium 5.3
Race condition vulnerability in Linux kernel sound/hda snd_hdac_regmap_sync
A race condition was found in the Linux kernel's sound/hda device driver in snd_hdac_regmap_sync() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
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Medium 5.3
Race condition vulnerability in Linux kernel drm/exynos exynos_drm_crtc_atomic_disable
A race condition was found in the Linux kernel's drm/exynos device driver in exynos_drm_crtc_atomic_disable() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.
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Medium 6.3
NULL pointer deference in rfcomm_check_security in Linux kernel
NULL Pointer Dereference vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (net, bluetooth modules) allows Overflow Buffers. This vulnerability is associated with program files /net/bluetooth/rfcomm/core.C. This issue affects Linux kernel: v2.6.12…
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Medium 4.4
Integer overflow in raid5_cache_count in Linux kernel
Integer Overflow or Wraparound vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (md, raid, raid5 modules) allows Forced Integer Overflow.
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Medium 6.7
Kernel: use-after-free while changing the mount option in __ext4_remount leading
A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-…
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Medium 6.8
Kernel: cifs filesystem decryption improper input validation remote code execution vulnerability in function receive_encrypted_standard of client
An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.
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Medium 4.9
Possible deadlock in Linux kernel event handling
Closing of an event channel in the Linux kernel can result in a deadlock. This happens when the close is being performed in parallel to an unrelated Xen console action and the handling of a Xen console interrupt in an unprivileged guest. The closing of an eve…
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Medium 6.5
Copy_from_user Spectre-V1 Gadget in Linux Kernel
Copy_from_user on 64-bit versions of the Linux kernel does not implement the __uaccess_begin_nospec allowing a user to bypass the "access_ok" check and pass a kernel pointer to copy_from_user(). This would allow an attacker to leak information. We recommend u…
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Medium 5.3
Spectre V1 Gadget in do_prlimit in the Linux Kernel
A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading…
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Medium 4.7CVE-2023-0045 Public exploit
Incorrect indirect branch prediction barrier in the Linux Kernel
The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ib_prctl_set function updates the Thread Information Flags (TIFs) for the task and updates the SPEC_CTRL MSR on the function __speculation_ctrl_update,…
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Medium 5.6CVE-2023-1998 Public exploit
Spectre v2 SMT mitigations problem in Linux kernel
The Linux kernel allows userspace processes to enable mitigations by calling prctl with PR_SET_SPECULATION_CTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel sti…
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Medium 5.1
This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kern…
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Medium 5.5
Use after free in io_uring in the Linux Kernel
Due to a vulnerability in the io_uring subsystem, it is possible to leak kernel memory information to the user process. timens_install calls current_is_single_threaded to determine if the current process is single-threaded, but this call does not consider io_…
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Medium 5.8
Speculative execution attacks in KVM VMX
A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support…
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Medium 6.2
Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text exp…
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Medium 5.5
Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text exp…
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Medium 5.1
Info Leak in l2cap_core in the Linux Kernel
There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f…
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Medium 5.5
Linux Kernel IPsec idt77252.c tst_timer use after free
A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply…
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Medium 4.6
Linux Kernel IPsec devlink.c devlink_param_get use after free
A vulnerability was found in Linux Kernel. It has been classified as critical. This affects the function devlink_param_set/devlink_param_get of the file net/core/devlink.c of the component IPsec. The manipulation leads to use after free. It is recommended to …