CVE-2022-50635 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference6 documents5 sources
Severity
5.8MEDIUM
No vector
EPSS
0.0%
top 90.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedDec 9

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe() I found a null pointer reference in arch_prepare_kprobe(): # echo 'p cmdline_proc_show' > kprobe_events # echo 'p cmdline_proc_show+16' >> kprobe_events Kernel attempted to read user page (0) - exploit attempt? (uid: 0) BUG: Kernel NULL pointer dereference on read at 0x00000000 Faulting instruction address: 0xc000000000050bfc Oops: Kernel access of bad area,…

Affected Packages4 packages

▶Linuxlinux/linux_kernel5.8.0 — 5.15.75+2
▶Debianlinux/linux_kernel< 6.0.3-1+2
▶CVEListV5linux/linuxb4657f7650babc9bfb41ce875abe41b18604a105 — 7f536a8cb62dd5c084f112373fc34cdb5168a813+4
▶debiandebian/linux< linux 6.0.3-1 (bookworm)

🔴Vulnerability Details

3
OSV
CVE-2022-50635: In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe() I found a nul↗2025-12-09
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GHSA
GHSA-3rmf-xhh6-vpwj: In the Linux kernel, the following vulnerability has been resolved: powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe() I found a n↗2025-12-09
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OSV
powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe()↗2025-12-09
▶

📋Vendor Advisories

2
Red Hat
kernel: powerpc/kprobes: Fix null pointer reference in arch_prepare_kprobe()↗2025-12-09
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Debian
CVE-2022-50635: linux - In the Linux kernel, the following vulnerability has been resolved: powerpc/kpr...↗2022
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