vulnerability
Amazon Linux AMI 2: CVE-2022-49444: Security patch for kernel (ALASKERNEL-5.15-2022-005)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 26, 2025 | May 22, 2025 | May 26, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
module: fix [e_shstrndx].sh_size=0 OOB access
It is trivial to craft a module to trigger OOB access in this line:
if (info->secstrings[strhdr->sh_size - 1] != '\0') {
BUG: unable to handle page fault for address: ffffc90000aa0fff
PGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014
RIP: 0010:load_module+0x19b/0x2391
[rebased patch onto modules-next]
Solution(s)
Explore Exposure Command
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