CVSS: 7.8EPSS: 0%CPEs: 20EXPL: 0CVE-2022-0500 – kernel: Linux ebpf logic vulnerability leads to critical memory read and write gaining root privileges
https://notcve.org/view.php?id=CVE-2022-0500
A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system. Se ha encontrado un fallo en el uso irrestricto de eBPF por parte de BPF_BTF_LOAD, que conlleva una posible escritura de memoria fuera de los límites en el subsistema BPF del kernel de Linux debido a la forma en que un usuario carga BTF. este fallo permite a un usuario local bloquear o escalar sus privilegios en el sistema • https://bugzilla.redhat.com/show_bug.cgi?id=2044578 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=20b2aff4bc15bda809f994761d5719827d66c0b4 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=216e3cd2f28dbbf1fe86848e0e29e6693b9f0a20 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34d3a78c681e8e7844b43d1a2f4671a04249c821 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/? • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •
CVSS: 8.0EPSS: 0%CPEs: 26EXPL: 0CVE-2021-4157 – kernel: Buffer overwrite in decode_nfs_fh function
https://notcve.org/view.php?id=CVE-2021-4157
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system. Se encontró un fallo de escritura fuera de los límites de la memoria (1 o 2 bytes de memoria) en el subsistema NFS del kernel de Linux en la forma en que los usuarios usan el mirroring (replicación de archivos con NFS). Un usuario, que tenga acceso al montaje NFS, podría potencialmente usar este fallo para bloquear el sistema o escalar privilegios en el sistema • https://bugzilla.redhat.com/show_bug.cgi?id=2034342 https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org https://security.netapp.com/advisory/ntap-20220602-0007 https://www.oracle.com/security-alerts/cpujul2022.html https://access.redhat.com/security/cve/CVE-2021-4157 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 8.2EPSS: 0%CPEs: 71EXPL: 2CVE-2018-25032 – zlib: A flaw found in zlib when compressing (not decompressing) certain inputs
https://notcve.org/view.php?id=CVE-2018-25032
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches. zlib versiones anteriores a 1.2.12 permite la corrupción de memoria al desinflar (es decir, al comprimir) si la entrada tiene muchas coincidencias distantes An out-of-bounds access flaw was found in zlib, which allows memory corruption when deflating (ex: when compressing) if the input has many distant matches. For some rare inputs with a large number of distant matches (crafted payloads), the buffer into which the compressed or deflated data is written can overwrite the distance symbol table which it overlays. This issue results in corrupted output due to invalid distances, which leads to out-of-bound access, corrupting the memory and potentially crashing the application. • http://seclists.org/fulldisclosure/2022/May/33 http://seclists.org/fulldisclosure/2022/May/35 http://seclists.org/fulldisclosure/2022/May/38 http://www.openwall.com/lists/oss-security/2022/03/25/2 http://www.openwall.com/lists/oss-security/2022/03/26/1 https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531 https://github.com/madler/zlib/compare/v1.2.11...v1.2.12 https://github.com& • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •
CVSS: 6.8EPSS: 0%CPEs: 27EXPL: 1CVE-2021-4203 – kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses
https://notcve.org/view.php?id=CVE-2021-4203
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information. Se ha encontrado un fallo de lectura de uso de memoria previamente liberada en la función sock_getsockopt() en el archivo net/core/sock.c debido a la carrera de SO_PEERCRED y SO_PEERGROUPS con listen() (y connect()) en el kernel de Linux. En este fallo, un atacante con privilegios de usuario puede bloquear el sistema o filtrar información interna del kernel A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information. • https://bugs.chromium.org/p/project-zero/issues/detail?id=2230&can=7&q=modified-after%3Atoday-30&sort=-modified&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary%20Modified%20Cve&cells=tiles&redir=1 https://bugzilla.redhat.com/show_bug.cgi?id=2036934 https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=35306eb23814 https://lore.kernel.org/netdev/20210929225750.2548112-1-eric.dumazet%40gmail.com/T https://security.netapp.com/advisory/ntap-20221111-0003 https:&# • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •
CVSS: 7.5EPSS: 0%CPEs: 17EXPL: 0CVE-2022-0635
https://notcve.org/view.php?id=CVE-2022-0635
Versions affected: BIND 9.18.0 When a vulnerable version of named receives a series of specific queries, the named process will eventually terminate due to a failed assertion check. Versiones afectadas: BIND 9.18.0, Cuando una versión vulnerable de named recibe una serie de consultas específicas, el proceso de named terminará eventualmente debido a una comprobación de aserción fallida • https://kb.isc.org/v1/docs/cve-2022-0635 https://security.netapp.com/advisory/ntap-20220408-0001 • CWE-617: Reachable Assertion •