CVE-2023-52481 – arm64: errata: Add Cortex-A520 speculative unprivileged load workaround
https://notcve.org/view.php?id=CVE-2023-52481
29 Feb 2024 — 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 unprivileged load might leak data from a privileged load via a cache side channel. The issue only exists for loads within a translation regime with the same translation (e.g. same ASID and VMID). Therefore, the issue only affects the return to EL0. The... • https://git.kernel.org/stable/c/6e3ae2927b432a3b7c8374f14dbc1bd9ebe4372c •
CVE-2023-52480 – ksmbd: fix race condition between session lookup and expire
https://notcve.org/view.php?id=CVE-2023-52480
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbd_session_lookup | smb2_sess_setup sess = xa_load | | | xa_erase(&conn->sessions, sess->id); | | ksmbd_session_destroy(sess) --> kfree(sess) | // UAF! | sess->last_active = jiffies | + This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ksmbd: corrig... • https://git.kernel.org/stable/c/0626e6641f6b467447c81dd7678a69c66f7746cf •
CVE-2023-52479 – ksmbd: fix uaf in smb20_oplock_break_ack
https://notcve.org/view.php?id=CVE-2023-52479
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use opinfo. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: corrige uaf en smb20_oplock_break_ack elimina la referencia después de usar opinfo. • https://git.kernel.org/stable/c/0626e6641f6b467447c81dd7678a69c66f7746cf •
CVE-2023-52478 – HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect
https://notcve.org/view.php?id=CVE-2023-52478
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidpp_connect_event() has *four* time-of-check vs time-of-use (TOCTOU) races when it races with itself. hidpp_connect_event() primarily runs from a workqueue but it also runs on probe() and if a "device-connected" packet is received by the hw when the thread running hidpp_connect_event() from probe() is waiting on the hw, then a second thread running hidpp_connect_event() will... • https://git.kernel.org/stable/c/ca0c4cc1d215dc22ab0e738c9f017c650f3183f5 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVE-2023-52477 – usb: hub: Guard against accesses to uninitialized BOS descriptors
https://notcve.org/view.php?id=CVE-2023-52477
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev->bos without checking if it was allocated and initialized. If usb_get_bos_descriptor() fails for whatever reason, udev->bos will be NULL and those accesses will result in a crash: BUG: kernel NULL pointer dereference, address: 0000000000000018 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP ... • https://git.kernel.org/stable/c/c64e4dca9aefd232b17ac4c779b608b286654e81 • CWE-476: NULL Pointer Dereference •
CVE-2023-52476 – perf/x86/lbr: Filter vsyscall addresses
https://notcve.org/view.php?id=CVE-2023-52476
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted (NMI) for perf sampling, this call sequence can occur (most recent at top): __insn_get_emulate_prefix() insn_get_emulate_prefix() insn_get_prefixes() insn_get_opcode() decode_branch_type() get_branch_type() intel_pmu_lbr_filter() intel_pmu_handle_irq() perf_event_nmi_handler() Within __... • https://git.kernel.org/stable/c/403d201d1fd144cb249836dafb222f6375871c6c • CWE-404: Improper Resource Shutdown or Release •
CVE-2023-52475 – Input: powermate - fix use-after-free in powermate_config_complete
https://notcve.org/view.php?id=CVE-2023-52475
29 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: Input: powermate - fix use-after-free in powermate_config_complete syzbot has found a use-after-free bug [1] in the powermate driver. This happens when the device is disconnected, which leads to a memory free from the powermate_device struct. When an asynchronous control message completes after the kfree and its callback is invoked, the lock does not exist anymore and hence the bug. Use usb_kill_urb() on pm->config to cancel any in-progress... • https://git.kernel.org/stable/c/8677575c4f39d65bf0d719b5d20e8042e550ccb9 • CWE-416: Use After Free •
CVE-2021-46937 – mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'
https://notcve.org/view.php?id=CVE-2021-46937
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()' DAMON debugfs interface increases the reference counts of 'struct pid's for targets from the 'target_ids' file write callback ('dbgfs_target_ids_write()'), but decreases the counts only in DAMON monitoring termination callback ('dbgfs_before_terminate()'). Therefore, when 'target_ids' file is repeatedly written without DAMON monitoring start/termination, the reference coun... • https://git.kernel.org/stable/c/4bc05954d0076655cfaf6f0135585bdc20cd6b11 • CWE-668: Exposure of Resource to Wrong Sphere •
CVE-2021-46936 – net: fix use-after-free in tw_timer_handler
https://notcve.org/view.php?id=CVE-2021-46936
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: net: fix use-after-free in tw_timer_handler A real world panic issue was found as follow in Linux 5.4. BUG: unable to handle page fault for address: ffffde49a863de28 PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0 RIP: 0010:tw_timer_handler+0x20/0x40 Call Trace:
CVE-2021-46935 – binder: fix async_free_space accounting for empty parcels
https://notcve.org/view.php?id=CVE-2021-46935
27 Feb 2024 — In the Linux kernel, the following vulnerability has been resolved: binder: fix async_free_space accounting for empty parcels In 4.13, commit 74310e06be4d ("android: binder: Move buffer out of area shared with user space") fixed a kernel structure visibility issue. As part of that patch, sizeof(void *) was used as the buffer size for 0-length data payloads so the driver could detect abusive clients sending 0-length asynchronous transactions to a server by enforcing limits on async_free_size. Unfortunately, ... • https://git.kernel.org/stable/c/74310e06be4d74dcf67cd108366710dee5c576d5 • CWE-668: Exposure of Resource to Wrong Sphere •