CVSS: 7.8EPSS: 0%CPEs: 28EXPL: 1CVE-2022-29581 – kernel: use-after-free due to improper update of reference count in net/sched/cls_u32.c
https://notcve.org/view.php?id=CVE-2022-29581
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions. Una vulnerabilidad de actualización inapropiada del recuento de referencias en net/sched del Kernel de Linux permite a un atacante local causar una escalada de privilegios a root. Este problema afecta a: Las versiones del Kernel de Linux anteriores a 5.18; la versión 4.14 y posteriores A use-after-free flaw was found in u32_change in net/sched/cls_u32.c in the network subcomponent of the Linux kernel. This flaw allows a local attacker to crash the system, cause a privilege escalation, and leak kernel information. • http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html http://www.openwall.com/lists/oss-security/2022/05/18/2 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8 https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8 https://security.netapp.com/advisory/ntap-20220629-0005 https://www.debian.org/security • CWE-416: Use After Free CWE-911: Improper Update of Reference Count •
CVSS: 9.1EPSS: 0%CPEs: 18EXPL: 0CVE-2022-1587 – pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c
https://notcve.org/view.php?id=CVE-2022-1587
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. This issue affects recursions in JIT-compiled regular expressions caused by duplicate data transfers. Se ha detectado una vulnerabilidad de lectura fuera de límites en la biblioteca PCRE2 en la función get_recurse_data_length() del archivo pcre2_jit_compile.c. Este problema afecta a las recursiones en expresiones regulares compiladas en JIT causadas por transferencias de datos duplicadas • https://bugzilla.redhat.com/show_bug.cgi?id=2077983%2C https://github.com/PCRE2Project/pcre2/commit/03654e751e7f0700693526b67dfcadda6b42c9d0 https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/ • CWE-125: Out-of-bounds Read •
CVSS: 9.1EPSS: 0%CPEs: 19EXPL: 0CVE-2022-1586 – pcre2: Out-of-bounds read in compile_xclass_matchingpath in pcre2_jit_compile.c
https://notcve.org/view.php?id=CVE-2022-1586
An out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file. This involves a unicode property matching issue in JIT-compiled regular expressions. The issue occurs because the character was not fully read in case-less matching within JIT. Se ha detectado una vulnerabilidad de lectura fuera de límites en la biblioteca PCRE2 en la función compile_xclass_matchingpath() del archivo pcre2_jit_compile.c. Esto implica un problema de coincidencia de propiedades unicode en expresiones regulares compiladas en JIT. • https://bugzilla.redhat.com/show_bug.cgi?id=2077976%2C https://github.com/PCRE2Project/pcre2/commit/50a51cb7e67268e6ad417eb07c9de9bfea5cc55a%2C https://github.com/PCRE2Project/pcre2/commit/d4fa336fbcc388f89095b184ba6d99422cfc676c https://lists.debian.org/debian-lts-announce/2023/03/msg00014.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWNG2NS3GINO6LQYUVC4BZLUQPJ3DYHA https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXINO3KKI5DICQ45E2FKD6MKVMGJLEKJ https:&# • CWE-125: Out-of-bounds Read •
CVSS: 7.8EPSS: 0%CPEs: 24EXPL: 2CVE-2022-1679 – kernel: use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges
https://notcve.org/view.php?id=CVE-2022-1679
A use-after-free flaw was found in the Linux kernel’s Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local user to crash or potentially escalate their privileges on the system. Se ha encontrado un fallo de uso de memoria previamente liberada en el controlador del adaptador inalámbrico Atheros del kernel de Linux en la forma en que un usuario fuerza la función ath9k_htc_wait_for_target a fallar con algunos mensajes de entrada. Este fallo permite a un usuario local bloquear o escalar potencialmente sus privilegios en el sistema • https://github.com/EkamSinghWalia/-Detection-and-Mitigation-for-CVE-2022-1679 https://github.com/ov3rwatch/Detection-and-Mitigation-for-CVE-2022-1679 https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html https://lore.kernel.org/lkml/87ilqc7jv9.fsf%40kernel.org/t https://security.netapp.com/advisory/ntap-20220629-0007 https://access.redhat.com/security/cve/CVE-2022-1679 https://bugzilla.redhat.com/show_bug • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 27EXPL: 1CVE-2022-30594 – kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option
https://notcve.org/view.php?id=CVE-2022-30594
The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag. El kernel de Linux versiones anteriores a 5.17.2, maneja inapropiadamente los permisos de seccomp. La ruta de código PTRACE_SEIZE permite a atacantes omitir las restricciones previstas al establecer el flag PT_SUSPEND_SECCOMP A flaw was found in the Linux kernel. The PTRACE_SEIZE code path allows attackers to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag, possibly disabling seccomp. • http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html http://packetstormsecurity.com/files/170362/Linux-PT_SUSPEND_SECCOMP-Permission-Bypass-Ptracer-Death-Race.html https://bugs.chromium.org/p/project-zero/issues/detail?id=2276 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee1fee900537b5d9560e9f937402de5ddc8412f3 https://github.com/torvalds/linux/commit/ee1fee900537b5d9560e9f937402de • CWE-276: Incorrect Default Permissions CWE-862: Missing Authorization •