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CVSS: 7.0EPSS: 0%CPEs: 1EXPL: 0

23 Feb 2023 — A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory. A possible unauthorized memory access flaw was found in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stack(s) or other important data. This is... • http://www.openwall.com/lists/oss-security/2023/07/28/1 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 5.7EPSS: 0%CPEs: 3EXPL: 0

22 Feb 2023 — An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove(). • https://lkml.org/lkml/2023/1/1/169 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

21 Feb 2023 — afu_mmio_region_get_by_offset in drivers/fpga/dfl-afu-region.c in the Linux kernel through 6.1.12 has an integer overflow. • https://bugzilla.suse.com/show_bug.cgi?id=1208518 • CWE-190: Integer Overflow or Wraparound •

CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0

10 Feb 2023 — A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system. • https://bugzilla.redhat.com/show_bug.cgi?id=2132640 • CWE-416: Use After Free •

CVSS: 7.0EPSS: 0%CPEs: 2EXPL: 0

10 Feb 2023 — A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 ("net: sched: fix race condition in qdisc_graft()") not applied yet, then kernel could be affected. • https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 6EXPL: 0

06 Feb 2023 — A memory leak flaw and potential divide by zero and Integer overflow was found in the Linux kernel V4L2 and vivid test code functionality. This issue occurs when a user triggers ioctls, such as VIDIOC_S_DV_TIMINGS ioctl. This could allow a local user to crash the system if vivid test code enabled. • https://bugzilla.redhat.com/show_bug.cgi?id=2166287 • CWE-20: Improper Input Validation CWE-190: Integer Overflow or Wraparound CWE-369: Divide By Zero CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 4.9EPSS: 0%CPEs: 1EXPL: 2

01 Feb 2023 — The Linux kernel through 6.1.9 has a Use-After-Free in bigben_remove in drivers/hid/hid-bigbenff.c via a crafted USB device because the LED controllers remain registered for too long. • http://www.openwall.com/lists/oss-security/2023/02/02/1 • CWE-416: Use After Free •

CVSS: 4.7EPSS: 0%CPEs: 8EXPL: 1

25 Jan 2023 — A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference. Se encontró una falla de use-after-free en io_uring/poll.c en io_poll_check_events en el subcomponente io_uring en el kernel de Linux debido a una condición de ejecución de poll_refs. Este defecto puede provocar una desreferencia del puntero NULL. • https://bugzilla.redhat.com/show_bug.cgi?id=2164024 • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 1

25 Jan 2023 — A use-after-free flaw was found in io_uring/filetable.c in io_install_fixed_file in the io_uring subcomponent in the Linux Kernel during call cleanup. This flaw may lead to a denial of service. Se encontró una falla de use-after-free en io_uring/filetable.c en io_install_fixed_file en el subcomponente io_uring en el kernel de Linux durante la limpieza de llamadas. Este defecto puede dar lugar a una denegación de servicio. • https://bugzilla.redhat.com/show_bug.cgi?id=2163723 • CWE-191: Integer Underflow (Wrap or Wraparound) CWE-416: Use After Free •

CVSS: 7.9EPSS: 0%CPEs: 6EXPL: 1

24 Jan 2023 — A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e A use-after-free flaw was found in snd_ctl_elem_read in sound/core/control.c in Advanced Linux Sound Architecture (ALSA) subsystem in the Linux kernel. In this flaw a normal pri... • https://github.com/SeanHeelan/claude_opus_cve_2023_0266 • CWE-416: Use After Free •