7,125 results · Feed
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High 7.8
loop: Fix use-after-free issues
In the Linux kernel, the following vulnerability has been resolved: loop: Fix use-after-free issues do_req_filebacked() calls blk_mq_complete_request() synchronously or asynchronously when using asynchronous I/O unless memory allocation fails. Hence, modify l…
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Unscored —
net: tunnels: annotate lockless accesses to dev->needed_headroom
In the Linux kernel, the following vulnerability has been resolved: net: tunnels: annotate lockless accesses to dev->needed_headroom IP tunnels can apparently update dev->needed_headroom in their xmit path. This patch takes care of three tunnels xmit, and als…
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Unscored —
net/iucv: Fix size of interrupt data
In the Linux kernel, the following vulnerability has been resolved: net/iucv: Fix size of interrupt data iucv_irq_data needs to be 4 bytes larger. These bytes are not used by the iucv module, but written by the z/VM hypervisor in case a CPU is deconfigured. R…
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Unscored —
nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition
In the Linux kernel, the following vulnerability has been resolved: nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition This bug influences both st_nci_i2c_remove and st_nci_spi_remove. Take st_nci_i2c_remove as an example. In st_nci_i2c_…
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Unscored —
bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails
In the Linux kernel, the following vulnerability has been resolved: bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails syzbot reported a warning[1] where the bond device itself is a slave and we try to enslave a non-ethernet device as the f…
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High 7.8
ext4: fix WARNING in ext4_update_inline_data
In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in ext4_update_inline_data Syzbot found the following issue: EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. fscr…
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Unscored —
ext4: zero i_disksize when initializing the bootloader inode
In the Linux kernel, the following vulnerability has been resolved: ext4: zero i_disksize when initializing the bootloader inode If the boot loader inode has never been used before, the EXT4_IOC_SWAP_BOOT inode will initialize it, including setting the i_size…
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High 7.8
tty: serial: fsl_lpuart: fix race on RX DMA shutdown
In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsl_lpuart: fix race on RX DMA shutdown From time to time DMA completion can come in the middle of DMA shutdown: <process ctx>: <IRQ>: lpuart32_shutdown() lpuart_dma_shutdown() d…
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Unscored —
tracing: Do not let histogram values have some modifiers
In the Linux kernel, the following vulnerability has been resolved: tracing: Do not let histogram values have some modifiers Histogram values can not be strings, stacktraces, graphs, symbols, syscalls, or grouped in buckets or log. Give an error if a value is…
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High 7.8
drm/amdkfd: Fix an illegal memory access
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix an illegal memory access In the kfd_wait_on_events() function, the kfd_event_waiter structure is allocated by alloc_event_waiters(), but the event field of the waiter structur…
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Unscored —
ext4: update s_journal_inum if it changes after journal replay
In the Linux kernel, the following vulnerability has been resolved: ext4: update s_journal_inum if it changes after journal replay When mounting a crafted ext4 image, s_journal_inum may change after journal replay, which is obviously unreasonable because we h…
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Unscored —
ext4: fix task hung in ext4_xattr_delete_inode
In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4_xattr_delete_inode Syzbot reported a hung task problem: ================================================================== INFO: task syz-executor232:5073 blocked …
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Unscored —
ocfs2: fix data corruption after failed write
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after failed write When buffered write fails to copy data into underlying page cache page, ocfs2_write_end_nolock() just zeroes out and dirties the page. This can l…
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Unscored —
net/mlx5: Fix steering rules cleanup
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix steering rules cleanup vport's mc, uc and multicast rules are not deleted in teardown path when EEH happens. Since the vport's promisc settings(uc, mc and all) in firmware are r…
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Unscored —
scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced ob…
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Unscored —
ftrace: Fix invalid address access in lookup_rec() when index is 0
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookup_rec() when index is 0 KASAN reported follow problem: BUG: KASAN: use-after-free in lookup_rec Read of size 8 at addr ffff000199270ff0 by task modp…
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Unscored —
net: usb: lan78xx: Limit packet length to skb->len
In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Limit packet length to skb->len Packet length retrieved from descriptor may be larger than the actual socket buffer length. In such case the cloned skb passed up the networ…
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Unscored —
qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info
In the Linux kernel, the following vulnerability has been resolved: qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info We have to make sure that the info returned by the helper is valid before using it. Found by Linux Verification Center (linux…
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Unscored —
net: usb: smsc95xx: Limit packet length to skb->len
In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc95xx: Limit packet length to skb->len Packet length retrieved from descriptor may be larger than the actual socket buffer length. In such case the cloned skb passed up the netwo…
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Unscored —
igb: revert rtnl_lock() that causes deadlock
In the Linux kernel, the following vulnerability has been resolved: igb: revert rtnl_lock() that causes deadlock The commit 6faee3d4ee8b ("igb: Add lock to avoid data race") adds rtnl_lock to eliminate a false data race shown below (FREE from device detaching…
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Unscored —
usb: dwc2: fix a devres leak in hw_enable upon suspend resume
In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: fix a devres leak in hw_enable upon suspend resume Each time the platform goes to low power, PM suspend / resume routines call: __dwc2_lowlevel_hw_enable -> devm_add_action_or_rese…
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Unscored —
dm crypt: add cond_resched() to dmcrypt_write()
In the Linux kernel, the following vulnerability has been resolved: dm crypt: add cond_resched() to dmcrypt_write() The loop in dmcrypt_write may be running for unbounded amount of time, thus we need cond_resched() in it. This commit fixes the following warni…
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Unscored —
usb: gadget: u_audio: don't let userspace block driver unbind
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: don't let userspace block driver unbind In the unbind callback for f_uac1 and f_uac2, a call to snd_card_free() via g_audio_cleanup() will disconnect the card and then w…
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Unscored —
dm stats: check for and propagate alloc_percpu failure
In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() …
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Unscored —
drm/amd/display: Do not set DRR on pipe Commit
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Do not set DRR on pipe Commit [WHY] Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a pipe commit can cause underflow.
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Unscored —
ca8210: fix mac_len negative array access
In the Linux kernel, the following vulnerability has been resolved: ca8210: fix mac_len negative array access This patch fixes a buffer overflow access of skb->data if ieee802154_hdr_peek_addrs() fails.
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High 7.8
HID: intel-ish-hid: ipc: Fix potential use-after-free in work function
In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Fix potential use-after-free in work function When a reset notify IPC message is received, the ISR schedules a work function and passes the ISHTP device to it via a g…
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Unscored —
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy() The ioctl helper function nilfs_ioctl_wrap_copy(), which exchanges a metadata array to/from user space, may copy uninitialized buffer re…
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Unscored —
KVM: VMX: Do _all_ initialization before exposing /dev/kvm to userspace
In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Do _all_ initialization before exposing /dev/kvm to userspace Call kvm_init() only after _all_ setup is complete, as kvm_init() exposes /dev/kvm to userspace and thus allows userspa…
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High 7.8
codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()
In the Linux kernel, the following vulnerability has been resolved: codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() After making all ->qlen_notify() callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fq_codel_dequ…
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High 7.8
net_sched: hfsc: Fix a UAF vulnerability in class handling
In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-us…
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Medium 5.5
nfs4: Fix kmemleak when allocate slot failed
In the Linux kernel, the following vulnerability has been resolved: nfs4: Fix kmemleak when allocate slot failed If one of the slot allocate failed, should cleanup all the other allocated slots, otherwise, the allocated slots will leak: unreferenced object 0x…
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Medium 5.5
net: dsa: Fix possible memory leaks in dsa_loop_init()
In the Linux kernel, the following vulnerability has been resolved: net: dsa: Fix possible memory leaks in dsa_loop_init() kmemleak reported memory leaks in dsa_loop_init(): kmemleak: 12 new suspected memory leaks unreferenced object 0xffff8880138ce000 (size …
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Medium 5.5
nfc: fdp: Fix potential memory leak in fdp_nci_send()
In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: Fix potential memory leak in fdp_nci_send() fdp_nci_send() will call fdp_nci_i2c_write that will not free skb in the function. As a result, when fdp_nci_i2c_write() finished, the sk…
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Medium 5.5
RDMA/core: Fix null-ptr-deref in ib_core_cleanup()
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix null-ptr-deref in ib_core_cleanup() KASAN reported a null-ptr-deref error: KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f] CPU: 1 PID: 379 Hardware name:…
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Medium 5.5
nfc: nxp-nci: Fix potential memory leak in nxp_nci_send()
In the Linux kernel, the following vulnerability has been resolved: nfc: nxp-nci: Fix potential memory leak in nxp_nci_send() nxp_nci_send() will call nxp_nci_i2c_write(), and only free skb when nxp_nci_i2c_write() failed. However, even if the nxp_nci_i2c_wri…
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Medium 5.5
nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send()
In the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send() nfcmrvl_i2c_nci_send() will be called by nfcmrvl_nci_send(), and skb should be freed in nfcmrvl_i2c_nci_send(). However, nfcm…
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High 7.8
net: sched: Fix use after free in red_enqueue()
In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in red_enqueue() We can't use "skb" again after passing it to qdisc_enqueue(). This is basically identical to commit 2f09707d0c97 ("sch_sfb: Also store skb len …
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Unscored —
ipvs: fix WARNING in __ip_vs_cleanup_batch()
In the Linux kernel, the following vulnerability has been resolved: ipvs: fix WARNING in __ip_vs_cleanup_batch() During the initialization of ip_vs_conn_net_init(), if file ip_vs_conn or ip_vs_conn_sync fails to be created, the initialization is successful by…
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Unscored —
ipvs: fix WARNING in ip_vs_app_net_cleanup()
In the Linux kernel, the following vulnerability has been resolved: ipvs: fix WARNING in ip_vs_app_net_cleanup() During the initialization of ip_vs_app_net_init(), if file ip_vs_app fails to be created, the initialization is successful by default. Therefore, …