NULL pointer dereference in Linux kernel - CVE-2023-54087

Vulnerability identifier: #VU120451

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-54087

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the ubi_add_volume() function in drivers/mtd/ubi/vmt.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo

Install update from vendor's repository.

Linux kernel - update to 5.10.173
kernel - update to 4.19.90-2601.5.0.0360
bpftool - update to 4.19.90-2601.5.0.0360
bpftool-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-debugsource - update to 4.19.90-2601.5.0.0360
kernel-devel - update to 4.19.90-2601.5.0.0360
kernel-source - update to 4.19.90-2601.5.0.0360
kernel-tools - update to 4.19.90-2601.5.0.0360
kernel-tools-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-tools-devel - update to 4.19.90-2601.5.0.0360
perf - update to 4.19.90-2601.5.0.0360
perf-debuginfo - update to 4.19.90-2601.5.0.0360
python2-perf - update to 4.19.90-2601.5.0.0360
python2-perf-debuginfo - update to 4.19.90-2601.5.0.0360
python3-perf - update to 4.19.90-2601.5.0.0360
python3-perf-debuginfo - update to 4.19.90-2601.5.0.0360

• https://git.kernel.org/stable/c/234c53e57424992e657e6f4acc00d3df0983176f
• https://git.kernel.org/stable/c/2ea7195b195009ecf0046e55361f393ba96d02db
• https://git.kernel.org/stable/c/45b2c5ca4d2edae70f19fdb086bd927840c4c309
• https://git.kernel.org/stable/c/5558bcf1c58720ca6e9d6198d921cb3aa337f038
• https://git.kernel.org/stable/c/5ec4c8aca5a221756a9007deadfea92795319fee
• https://git.kernel.org/stable/c/9eccdb0760cbcb4427b5303a83a3007de998af51
• https://git.kernel.org/stable/c/c15859bfd326c10230f09cb48a17f8a35f190342
• https://git.kernel.org/stable/c/fcbc795abe7897da4b5d2a6ab5010e36774b00c2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173

• NULL pointer dereference in Linux kernel mtd ubi driver
• openEuler 20.03 LTS SP4 update for kernel