2,573 results · Feed
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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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High 7.8
io_uring: fix incorrect io_kiocb reference in io_link_skb
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix incorrect io_kiocb reference in io_link_skb In io_link_skb function, there is a bug where prev_notif is incorrectly assigned using 'nd' instead of 'prev_nd'. This causes the con…
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High 8.8
iommu/amd/pgtbl: Fix possible race while increase page table level
In the Linux kernel, the following vulnerability has been resolved: iommu/amd/pgtbl: Fix possible race while increase page table level The AMD IOMMU host page table implementation supports dynamic page table levels (up to 6 levels), starting with a 3-level co…
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High 7.5
rxrpc: Fix untrusted unsigned subtract
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix untrusted unsigned subtract Fix the following Smatch static checker warning: net/rxrpc/rxgk_app.c:65 rxgk_yfs_decode_ticket() warn: untrusted unsigned subtract. 'ticket_len - 10 * …
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High 7.3
gpiolib: acpi: initialize acpi_gpio_info struct
In the Linux kernel, the following vulnerability has been resolved: gpiolib: acpi: initialize acpi_gpio_info struct Since commit 7c010d463372 ("gpiolib: acpi: Make sure we fill struct acpi_gpio_info"), uninitialized acpi_gpio_info struct are passed to __acpi_…
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Unscored —
ASoC: amd: acp: Fix incorrect retrival of acp_chip_info
In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: acp: Fix incorrect retrival of acp_chip_info Use dev_get_drvdata(dev->parent) instead of dev_get_platdata(dev) to correctly obtain acp_chip_info members in the acp I2S driver. Prev…
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Unscored —
iommu/s390: Make attach succeed when the device was surprise removed
In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Make attach succeed when the device was surprise removed When a PCI device is removed with surprise hotplug, there may still be attempts to attach the device to the default domain…
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High 7.8
igc: don't fail igc_probe() on LED setup error
In the Linux kernel, the following vulnerability has been resolved: igc: don't fail igc_probe() on LED setup error When igc_led_setup() fails, igc_probe() fails and triggers kernel panic in free_netdev() since unregister_netdev() is not called. [1] This behav…
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High 7.1
wifi: mac80211: increase scan_ies_len for S1G
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: increase scan_ies_len for S1G Currently the S1G capability element is not taken into account for the scan_ies_len, which leads to a buffer length validation failure in ieee802…
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Unscored —
tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect().
In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). syzbot reported the splat below where a socket had tcp_sk(sk)->fastopen_rsk in the TCP_ESTABLISHED state. [0] syzbot reused the server…
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Unscored —
clk: sunxi-ng: mp: Fix dual-divider clock rate readback
In the Linux kernel, the following vulnerability has been resolved: clk: sunxi-ng: mp: Fix dual-divider clock rate readback When dual-divider clock support was introduced, the P divider offset was left out of the .recalc_rate readback function. This causes th…
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Unscored —
tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk
In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk When the best clk is searched, we iterate over all possible clk. If we find a better match, the previ…
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Unscored —
net/handshake: fix null-ptr-deref in handshake_nl_done_doit()
In the Linux kernel, the following vulnerability has been resolved: net/handshake: fix null-ptr-deref in handshake_nl_done_doit() We should not call trace_handshake_cmd_done_err() if socket lookup has failed. Also we should call trace_handshake_cmd_done_err()…
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Unscored —
tun: Fix memory leak for detached NAPI queue.
In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported [0] memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr …
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Unscored —
xfrm: Zero padding when dumping algos and encap
In the Linux kernel, the following vulnerability has been resolved: xfrm: Zero padding when dumping algos and encap When copying data to user-space we should ensure that only valid data is copied over. Padding in structures may be filled with random (possibly…
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High 7.8
fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()
In the Linux kernel, the following vulnerability has been resolved: fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode() syzbot is hitting WARN_ON() in hfsplus_cat_{read,write}_inode(), for crafted filesystem image can contain bogus length. The…
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Unscored —
hwmon: (xgene) Fix ioremap and memremap leak
In the Linux kernel, the following vulnerability has been resolved: hwmon: (xgene) Fix ioremap and memremap leak Smatch reports: drivers/hwmon/xgene-hwmon.c:757 xgene_hwmon_probe() warn: 'ctx->pcc_comm_addr' from ioremap() not released on line: 757. This is b…
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Unscored —
bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent
In the Linux kernel, the following vulnerability has been resolved: bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent In some specific situations, the return value of __bch_btree_node_alloc may be NULL. This may lead to a potential NU…
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High 7.5
NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL
In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL OPDESC() simply indexes into nfsd4_ops[] by the op's operation number, without range checking that value. It assumes callers are car…
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High 8.3
wifi: mt7601u: fix an integer underflow
In the Linux kernel, the following vulnerability has been resolved: wifi: mt7601u: fix an integer underflow Fix an integer underflow that leads to a null pointer dereference in 'mt7601u_rx_skb_from_seg()'. The variable 'dma_len' in the URB packet could be man…
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Unscored —
drm/i915: Fix system suspend without fbdev being initialized
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix system suspend without fbdev being initialized If fbdev is not initialized for some reason - in practice on platforms without display - suspending fbdev should be skipped during…
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Unscored —
drm/i915: Fix memory leaks in i915 selftests
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix memory leaks in i915 selftests This patch fixes memory leaks on error escapes in function fake_get_pages (cherry picked from commit 8bfbdadce85c4c51689da10f39c805a7106d4567)
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High 8.8
scsi: ses: Fix possible desc_ptr out-of-bounds accesses
In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible desc_ptr out-of-bounds accesses Sanitize possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process().
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High 8.8
scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() The function lio_target_nacl_info_show() uses sprintf() in a loop to print details for every iSCSI connection in a sess…
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High 7.8
clk: Fix memory leak in devm_clk_notifier_register()
In the Linux kernel, the following vulnerability has been resolved: clk: Fix memory leak in devm_clk_notifier_register() devm_clk_notifier_register() allocates a devres resource for clk notifier but didn't register that to the device, so the notifier didn't g…
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High 8.8
Bluetooth: hci_event: call disconnect callback before deleting conn
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: call disconnect callback before deleting conn In hci_cs_disconnect, we do hci_conn_del even if disconnection failed. ISO, L2CAP and SCO connections refer to the hci_conn…
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Unscored —
btrfs: output extra debug info if we failed to find an inline backref
In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref [BUG] Syzbot reported several warning triggered inside lookup_inline_extent_backref(). [CAUSE] As usual, the reproducer d…
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Unscored —
srcu: Delegate work to the boot cpu if using SRCU_SIZE_SMALL
In the Linux kernel, the following vulnerability has been resolved: srcu: Delegate work to the boot cpu if using SRCU_SIZE_SMALL Commit 994f706872e6 ("srcu: Make Tree SRCU able to operate without snp_node array") assumes that cpu 0 is always online. However, …
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Unscored —
nvme-core: fix dev_pm_qos memleak
In the Linux kernel, the following vulnerability has been resolved: nvme-core: fix dev_pm_qos memleak Call dev_pm_qos_hide_latency_tolerance() in the error unwind patch to avoid following kmemleak:- blktests (master) # kmemleak-clear; ./check nvme/044; blktes…
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High 7.8
tcp: fix skb_copy_ubufs() vs BIG TCP
In the Linux kernel, the following vulnerability has been resolved: tcp: fix skb_copy_ubufs() vs BIG TCP David Ahern reported crashes in skb_copy_ubufs() caused by TCP tx zerocopy using hugepages, and skb length bigger than ~68 KB. skb_copy_ubufs() assumed it…
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Unscored —
ring-buffer: Fix deadloop issue on reading trace_pipe
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix deadloop issue on reading trace_pipe Soft lockup occurs when reading file 'trace_pipe': watchdog: BUG: soft lockup - CPU#6 stuck for 22s! [cat:4488] [...] RIP: 0010:ring_buff…
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Unscored —
net: cdc_ncm: Deal with too low values of dwNtbOutMaxSize
In the Linux kernel, the following vulnerability has been resolved: net: cdc_ncm: Deal with too low values of dwNtbOutMaxSize Currently in cdc_ncm_check_tx_max(), if dwNtbOutMaxSize is lower than the calculated "min" value, but greater than zero, the logic se…
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Unscored —
ASoC: codecs: wcd938x: fix missing mbhc init error handling
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd938x: fix missing mbhc init error handling MBHC initialisation can fail so add the missing error handling to avoid dereferencing an error pointer when later configuring the j…
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Unscored —
OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()
In the Linux kernel, the following vulnerability has been resolved: OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate() "opp" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by removing the dereference to cache opp_ta…
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Unscored —
md: don't dereference mddev after export_rdev()
In the Linux kernel, the following vulnerability has been resolved: md: don't dereference mddev after export_rdev() Except for initial reference, mddev->kobject is referenced by rdev->kobject, and if the last rdev is freed, there is no guarantee that mddev is…
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Unscored —
KVM: nSVM: Check instead of asserting on nested TSC scaling support
In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Check instead of asserting on nested TSC scaling support Check for nested TSC scaling support on nested SVM VMRUN instead of asserting that TSC scaling is exposed to L1 if L1's MSR…
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Unscored —
ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup}
In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup} If the filename casefolding fails, we'll be leaking memory from the fscrypt_name struct, namely from the 'crypto_buf.name'…
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Unscored —
bnxt: avoid overflow in bnxt_get_nvram_directory()
In the Linux kernel, the following vulnerability has been resolved: bnxt: avoid overflow in bnxt_get_nvram_directory() The value of an arithmetic expression is subject of possible overflow due to a failure to cast operands to a larger data type before perform…
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High 7.8
bpf, cpumap: Handle skb as well when clean up ptr_ring
In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Handle skb as well when clean up ptr_ring The following warning was reported when running xdp_redirect_cpu with both skb-mode and stress-mode enabled: ------------[ cut here ]---…
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High 7.8
iavf: Fix out-of-bounds when setting channels on remove
In the Linux kernel, the following vulnerability has been resolved: iavf: Fix out-of-bounds when setting channels on remove If we set channels greater during iavf_remove(), and waiting reset done would be timeout, then returned with error but changed num_acti…