Linux Kernel Security Vulnerabilities

CVE-2023-52893

In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmi_get_variable We can get EFI variables without fetching the attribute, so we mustallow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstoreaccess layer") added a new get...

CVE-2023-52894

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate() In Google internal bug 265639009 we've received an (as yet) unreproduciblecrash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code ...

CVE-2023-52895

In the Linux kernel, the following vulnerability has been resolved: io_uring/poll: don't reissue in case of poll race on multishot request A previous commit fixed a poll race that can occur, but it's onlyapplicable for multishot requests. For a multishot request, we can safelyignore a spurious wake...

CVE-2023-52896

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between quota rescan and disable leading to NULL pointer deref If we have one task trying to start the quota rescan worker while anotherone is trying to disable quotas, we can end up hitting a race that resultsin th...

CVE-2023-52897

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: do not warn on record without old_roots populated [BUG]There are some reports from the mailing list that since v6.1 kernel, theWARN_ON() inside btrfs_qgroup_account_extent() gets triggered duringrescan: WARNING: CPU:...

CVE-2023-52898

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix null pointer dereference when host dies Make sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not raceand cause null pointer dereference when host suddenly dies. Usb core may call xhci_free_dev() which frees the xhci...

CVE-2023-52899

In the Linux kernel, the following vulnerability has been resolved: Add exception protection processing for vd in axi_chan_handle_err function Since there is no protection for vd, a kernel panic will betriggered here in exceptional cases. You can refer to the processing of axi_chan_block_xfer_compl...

CVE-2023-52900

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix general protection fault in nilfs_btree_insert() If nilfs2 reads a corrupted disk image and tries to reads a b-tree nodeblock by calling __nilfs_btree_get_block() against an invalid virtualblock address, it returns -ENO...

CVE-2023-52901

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check endpoint is valid before dereferencing it When the host controller is not responding, all URBs queued to allendpoints need to be killed. This can cause a kernel panic if wedereference an invalid endpoint. Fix this ...

CVE-2023-52902

In the Linux kernel, the following vulnerability has been resolved: nommu: fix memory leak in do_mmap() error path The preallocation of the maple tree nodes may leak if the error path to"error_just_free" is taken. Fix this by moving the freeing of the mapletree nodes to a shared location for all er...

CVE-2023-52903

In the Linux kernel, the following vulnerability has been resolved: io_uring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734CPU: 0 PID: 28 Comm: kwo...

CVE-2023-52904

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate() The subs function argument may be NULL, so do not use it before the NULL check.

CVE-2023-52905

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix resource leakage in VF driver unbind resources allocated like mcam entries to support the Ntuple featureand hash tables for the tc feature are not getting freed in driverunbind. This patch fixes the issue.

CVE-2023-52906

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mpls: Fix warning during failed attribute validation The 'TCA_MPLS_LABEL' attribute is of 'NLA_U32' type, but has avalidation type of 'NLA_VALIDATE_FUNCTION'. This is an invalidcombination according to the comment ab...

CVE-2023-52907

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame() Fix a use-after-free that occurs in hcd when in_urb sent frompn533_usb_send_frame() is completed earlier than out_urb. Its callbackfrees the skb data in pn533_send...

CVE-2023-52908

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL dereference Fix potential NULL dereference, in the case when "man", the resource managermight be NULL, when/if we print debug information.

CVE-2023-52909

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of cached open files in nfsd4_open codepath Commit fb70bf124b05 ("NFSD: Instantiate a struct file when creating aregular NFSv4 file") added the ability to cache an open fd over acompound. There are a couple of pr...

CVE-2023-52910

In the Linux kernel, the following vulnerability has been resolved: iommu/iova: Fix alloc iova overflows issue In __alloc_and_insert_iova_range, there is an issue that retry_pfnoverflows. The value of iovad->anchor.pfn_hi is ~0UL, then wheniovad->cached_node is iovad->anchor, curr_iova-&gt...

CVE-2023-52911

In the Linux kernel, the following vulnerability has been resolved: drm/msm: another fix for the headless Adreno GPU Fix another oops reproducible when rebooting the board with the AdrenoGPU working in the headless mode (e.g. iMX platforms). Unable to handle kernel NULL pointer dereference at virtu...

CVE-2023-52912

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed bug on error when unloading amdgpu Fixed bug on error when unloading amdgpu. The error message is as follows:[ 377.706202] kernel BUG at drivers/gpu/drm/drm_buddy.c:278![ 377.706215] invalid opcode: 0000 [#1] PREE...

CVE-2023-52913

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential context UAFs gem_context_register() makes the context visible to userspace, and whichpoint a separate thread can trigger the I915_GEM_CONTEXT_DESTROY ioctl.So we need to ensure that nothing uses the ctx ptr ...

CVE-2023-52914

In the Linux kernel, the following vulnerability has been resolved: io_uring/poll: add hash if ready poll request can't complete inline If we don't, then we may lose access to it completely, leading to arequest leak. This will eventually stall the ring exit process aswell.

CVE-2023-52915

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer In af9035_i2c_master_xfer, msg is controlled by user. When msg[i].bufis null and msg[i].len is zero, former checks on msg[i].buf would bepassed. Malicious data...

CVE-2023-52916

In the Linux kernel, the following vulnerability has been resolved: media: aspeed: Fix memory overwrite if timing is 1600x900 When capturing 1600x900, system could crash when system memory usage istight. The way to reproduce this issue: Use 1600x900 to display on host Mount ISO through 'Virtual med...

CVE-2023-5345

A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation. In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free. We recommend upgradi...

CVE-2023-5633

The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user coul...

CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation. If perf_read_group() is called while an event's sibling_list is smaller than its child's sibling_list, it can increment or write to...

CVE-2023-5972

A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.

CVE-2023-6039

A use-after-free flaw was found in lan78xx_disconnect in drivers/net/usb/lan78xx.c in the network sub-component, net/usb/lan78xx in the Linux Kernel. This flaw allows a local attacker to crash the system when the LAN78XX USB device detaches.

CVE-2023-6040

An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within nf_tables_newtable function en...

CVE-2023-6111

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a ...

CVE-2023-6176

A null pointer dereference flaw was found in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configuration, which could allow a local user to crash the system or escalate their privilege...

CVE-2023-6200

A race condition was found in the Linux Kernel. Under certain conditions, an unauthenticated attacker from an adjacent network could send an ICMPv6 router advertisement packet, causing arbitrary code execution.

CVE-2023-6238

A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashe...

CVE-2023-6240

A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures, limiting the services that use that private key.

CVE-2023-6270

A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on struct net_device, and a use-after-free can be triggered by racing between the free on the struct and the access through the skbtxq global queue. This could le...

CVE-2023-6356

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.

CVE-2023-6531

A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

CVE-2023-6535

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

CVE-2023-6536

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

CVE-2023-6546

A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting th...

CVE-2023-6560

An out-of-bounds memory access flaw was found in the io_uring SQ/CQ rings functionality in the Linux kernel. This issue could allow a local user to crash the system.

CVE-2023-6606

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

CVE-2023-6610

An out-of-bounds read vulnerability was found in smb2_dump_detail in fs/smb/client/smb2ops.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

CVE-2023-6622

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

CVE-2023-6679

A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This issue could be exploited to trigger a denial of service.

CVE-2023-6817

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, le...

CVE-2023-6915

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

CVE-2023-6931

A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past com...

CVE-2023-6932

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past com...