Platform
Linux
20,707 known vulnerabilities.
20,707 results · Feed
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Medium 5.5
Qemu-kvm: unbounded allocation in virtio-crypto
A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service (DoS) on the host system by cau…
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High 7.7
Kernel: secure boot does not automatically enable kernel lockdown
The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF a…
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Medium 4.8
Glibc: vdso getrandom acceleration may return predictable randomness
An insufficient entropy vulnerability was found in glibc. The getrandom and arc4random family of functions may return predictable randomness if these functions are called again after the fork, which happens concurrently with a call to any of these functions.
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High 8.8
smb: client: split cached_fid bitfields to avoid shared-byte RMW races
In the Linux kernel, the following vulnerability has been resolved: smb: client: split cached_fid bitfields to avoid shared-byte RMW races is_open, has_lease and on_list are stored in the same bitfield byte in struct cached_fid but are updated in different co…
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Unscored —
crypto: virtio - Add spinlock protection with virtqueue notification
In the Linux kernel, the following vulnerability has been resolved: crypto: virtio - Add spinlock protection with virtqueue notification When VM boots with one virtio-crypto PCI device and builtin backend, run openssl benchmark command with multiple processes…
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Unscored —
smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()
In the Linux kernel, the following vulnerability has been resolved: smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection() On kthread_run() failure in ksmbd_tcp_new_connection(), the transport is freed via free_transport(), which does not decr…
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High 7.8
drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free
In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free Exynos Virtual Display driver performs memory alloc/free operations without lock p…
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High 8.8
ksmbd: add chann_lock to protect ksmbd_chann_list xarray
In the Linux kernel, the following vulnerability has been resolved: ksmbd: add chann_lock to protect ksmbd_chann_list xarray ksmbd_chann_list xarray lacks synchronization, allowing use-after-free in multi-channel sessions (between lookup_chann_list() and ksmb…
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High 7.8
sched/mmcid: Don't assume CID is CPU owned on mode switch
In the Linux kernel, the following vulnerability has been resolved: sched/mmcid: Don't assume CID is CPU owned on mode switch Shinichiro reported a KASAN UAF, which is actually an out of bounds access in the MMCID management code. CPU0 CPU1 T1 runs in userspa…
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High 7.8
erofs: fix UAF issue for file-backed mounts w/ directio option
In the Linux kernel, the following vulnerability has been resolved: erofs: fix UAF issue for file-backed mounts w/ directio option [ 9.269940][ T3222] Call trace: [ 9.269948][ T3222] ext4_file_read_iter+0xac/0x108 [ 9.269979][ T3222] vfs_iocb_iter_read+0xac/0…
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Unscored —
xfs: fix UAF in xchk_btree_check_block_owner
In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchk_btree_check_block_owner We cannot dereference bs->cur when trying to determine if bs->cur aliases bs->sc->sa.{bno,rmap}_cur after the latter has been freed. Fix this by s…
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High 7.8
crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly
In the Linux kernel, the following vulnerability has been resolved: crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly The existing allocation of scatterlists in omap_crypto_copy_sg_lists() was allocating an array of scatterlist pointers, n…
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Unscored —
bus: fsl-mc: fix use-after-free in driver_override_show()
In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix use-after-free in driver_override_show() The driver_override_show() function reads the driver_override string without holding the device_lock. However, driver_override_store(…
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Unscored —
ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths The problem occurs when a signed request fails smb2 signature verification check. In __process_request(), if chec…
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Unscored —
nilfs2: Fix potential block overflow that cause system hang
In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if end_block is too small. Since nblocks i…
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High 7.5
scsi: qla2xxx: Validate sp before freeing associated memory
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Validate sp before freeing associated memory System crash with the following signature [154563.214890] nvme nvme2: NVME-FC{1}: controller connect complete [154564.169363] qla2x…
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Unscored —
scsi: qla2xxx: Delay module unload while fabric scan in progress
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Delay module unload while fabric scan in progress System crash seen during load/unload test in a loop. [105954.384919] RBP: ffff914589838dc0 R08: 0000000000000000 R09: 00000000…
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High 8.8
wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add
In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add The driver does not set hw->sta_data_size, which causes mac80211 to allocate insufficient space for driver private station data in _…
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Unscored —
PCI: endpoint: Avoid creating sub-groups asynchronously
In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Avoid creating sub-groups asynchronously The asynchronous creation of sub-groups by a delayed work could lead to a NULL pointer dereference when the driver directory is removed…
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Unscored —
scsi: qla2xxx: Free sp in error path to fix system crash
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Free sp in error path to fix system crash System crash seen during load/unload test in a loop, [61110.449331] qla2xxx [0000:27:00.0]-0042:0: Disabled MSI-X. [61110.467494] ====…
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Unscored —
crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode
In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode The local variable 'i' is initialized with -EINVAL, but the for loop immediately overwrites it and -EINVAL is never re…
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Unscored —
hfs: ensure sb->s_fs_info is always cleaned up
In the Linux kernel, the following vulnerability has been resolved: hfs: ensure sb->s_fs_info is always cleaned up When hfs was converted to the new mount api a bug was introduced by changing the allocation pattern of sb->s_fs_info. If setup_bdev_super() fail…
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Unscored —
wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon()
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon() rtw_core_enable_beacon() reads 4 bytes from an address that is not a multiple of 4. This results in a crash on some systems. Do 1 …
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Unscored —
mm/slab: Add alloc_tagging_slab_free_hook for memcg_alloc_abort_single
In the Linux kernel, the following vulnerability has been resolved: mm/slab: Add alloc_tagging_slab_free_hook for memcg_alloc_abort_single When CONFIG_MEM_ALLOC_PROFILING_DEBUG is enabled, the following warning may be noticed: [ 3959.023862] ------------[ cut…
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Unscored —
gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()
In the Linux kernel, the following vulnerability has been resolved: gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc() Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of chip->irq.parents.
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Unscored —
riscv: trace: fix snapshot deadlock with sbi ecall
In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If sbi_ecall.c's functions are traceable, echo "__sbi_ecall:snapshot" > /sys/kernel/tracing/set_ftrace_filter may get the kernel into a dead…
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Unscored —
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() In iscsit_dec_conn_usage_count(), the function calls complete() while holding the conn->conn_usage_lock. As soon as co…
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Unscored —
x86/vmware: Fix hypercall clobbers
In the Linux kernel, the following vulnerability has been resolved: x86/vmware: Fix hypercall clobbers Fedora QA reported the following panic: BUG: unable to handle page fault for address: 0000000040003e54 #PF: supervisor write access in kernel mode #PF: erro…
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Unscored —
btrfs: reject new transactions if the fs is fully read-only
In the Linux kernel, the following vulnerability has been resolved: btrfs: reject new transactions if the fs is fully read-only [BUG] There is a bug report where a heavily fuzzed fs is mounted with all rescue mount options, which leads to the following warnin…
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Unscored —
drm/amd/pm: Disable MMIO access during SMU Mode 1 reset
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Disable MMIO access during SMU Mode 1 reset During Mode 1 reset, the ASIC undergoes a reset cycle and becomes temporarily inaccessible via PCIe. Any attempt to access MMIO registe…
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Unscored —
wifi: mac80211: don't WARN for connections on invalid channels
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't WARN for connections on invalid channels It's not clear (to me) how exactly syzbot managed to hit this, but it seems conceivable that e.g. regulatory changed and has dis…
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Unscored —
md: suspend array while updating raid_disks via sysfs
In the Linux kernel, the following vulnerability has been resolved: md: suspend array while updating raid_disks via sysfs In raid1_reshape(), freeze_array() is called before modifying the r1bio memory pool (conf->r1bio_pool) and conf->raid_disks, and unfreeze…
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Unscored —
bonding: annotate data-races around slave->last_rx
In the Linux kernel, the following vulnerability has been resolved: bonding: annotate data-races around slave->last_rx slave->last_rx and slave->target_last_arp_rx[...] can be read and written locklessly. Add READ_ONCE() and WRITE_ONCE() annotations. syzbot r…
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Unscored —
mm, swap: restore swap_space attr aviod kernel panic
In the Linux kernel, the following vulnerability has been resolved: mm, swap: restore swap_space attr aviod kernel panic commit 8b47299a411a ("mm, swap: mark swap address space ro and add context debug check") made the swap address space read-only. It may lea…
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Medium 6.5
Fixes to common vulnerabilities found in IBM Db2 Merge Backup for Linux, UNIX and Windows
IBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on the stack.
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Medium 6.5
Fixes to common vulnerabilities found in IBM Db2 Merge Backup for Linux, UNIX and Windows
IBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an authenticated user to cause the program to crash due to the incorrect calculation of a buffer size.
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Medium 5.5
Fixes to common vulnerabilities found in IBM Db2 Merge Backup for Linux, UNIX and Windows
IBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.
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High 7.1
IBM Db2 XML External Entity Reference
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to ex…
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Medium 5.3
IBM Db2 Information Disclosure
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 could allow an authenticated user to obtain sensitive information under specific HADR configuration.
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Medium 6.5
IBM Db2 Denial of Service
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic