CVE-2023-1295: fallo de gravedad alta en Linux Kernel
Privilege escalation with IO_RING_OP_CLOSE in the Linux Kernel
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.8epss 0.2%
A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Linux · Linux KernelCVEs relacionadas — Linux Kernel
En el mismo producto, de las más peligrosas a las menos.
CVE-2023-0266HIGHUse after free in SNDRV_CTL_IOCTL_ELEM in Linux KernelEPSS 3.7%KEVCVE-2018-5390—Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of serviceEPSS 71.8%CVE-2023-2163CRITICALIncorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege EscalationEPSS 3.6%CVE-2022-42896HIGHInfo Leak in l2cap_core in the Linux KernelEPSS 2.5%CVE-2023-0045MEDIUMIncorrect indirect branch prediction barrier in the Linux KernelEPSS 2.4%CVE-2023-31248HIGHLinux Kernel nftables Use-After-Free Local Privilege Escalation VulnerabilityEPSS 1.9%
Referencias
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959ebhttps://kernel.dance/788d0824269bef539fe31a785b1517882eafed93https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2https://security.netapp.com/advisory/ntap-20230731-0006/