CVE-2023-1077
kernel: Type confusion in pick_next_rt_entity()
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.
A memory corruption flaw was found in the Linux kernel's scheduler subsystem. This could allow a local user to crash the system or potentially escalate their privileges on the system.
This update for the Linux Kernel 5.14.21-150400_24_46 fixes several issues. The following security issues were fixed. Fixed a use-after-free in Netfilter nf_tables when processing batch requests. Fixed a flaw in the networking subsystem within the handling of the RPL protocol. Fixed a use-after-free in vcs_read in drivers/tty/vt/vc_screen.c. Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege. Fixed a type confusion in pick_next_rt_entity, that could cause memory corruption. Fixed an out-of-boundary read in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA. Fixed a heap out-of-bounds write in the ipvlan network driver.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2023-02-27 CVE Reserved
- 2023-03-27 CVE Published
- 2024-08-02 CVE Updated
- 2025-05-23 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20230511-0002 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c4a5b89a0b5a57a64b601775b296abf77a9fe97 | 2024-01-12 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-1077 | 2023-11-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2173436 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | A700s Firmware Search vendor "Netapp" for product "A700s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | A700s Search vendor "Netapp" for product "A700s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | 8300 Firmware Search vendor "Netapp" for product "8300 Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | 8300 Search vendor "Netapp" for product "8300" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | 8700 Firmware Search vendor "Netapp" for product "8700 Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | 8700 Search vendor "Netapp" for product "8700" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | A400 Firmware Search vendor "Netapp" for product "A400 Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | A400 Search vendor "Netapp" for product "A400" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | C400 Firmware Search vendor "Netapp" for product "C400 Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | C400 Search vendor "Netapp" for product "C400" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H300s Firmware Search vendor "Netapp" for product "H300s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300s Search vendor "Netapp" for product "H300s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H500s Firmware Search vendor "Netapp" for product "H500s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500s Search vendor "Netapp" for product "H500s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700s Firmware Search vendor "Netapp" for product "H700s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700s Search vendor "Netapp" for product "H700s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410s Firmware Search vendor "Netapp" for product "H410s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410s Search vendor "Netapp" for product "H410s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410c Firmware Search vendor "Netapp" for product "H410c Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410c Search vendor "Netapp" for product "H410c" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 2.6.25 < 4.19.293 Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.25 < 4.19.293" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.4.235 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.235" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.5 < 5.10.173 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.173" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.15.99 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.99" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.16 < 6.1.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 6.1.16" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.2 < 6.2.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.2 < 6.2.3" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||