CVE-2022-49444

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Source
https://cve.org/CVERecord?id=CVE-2022-49444
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49444.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-49444
Downstream
Related
Published
2025-02-26T02:12:56.606Z
Modified
2026-03-20T12:22:26.130774Z
Summary
module: fix [e_shstrndx].sh_size=0 OOB access
Details

In the Linux kernel, the following vulnerability has been resolved:

module: fix [eshstrndx].shsize=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]

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49444.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
ec2a29593c83ed71a7f16e3243941ebfcf75fdf6
Fixed
09cb6663618a74fe5572a4931ecbf098832e79ec
Fixed
921630e2e5124a04158129a8f22f4b425e61a858
Fixed
45a76414b6d8b8b39c23fea53b9d20e831ae72a0
Fixed
391e982bfa632b8315235d8be9c0a81374c6a19c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
05d891e76dde3e430c707dae7d85139794eeadbd
Last affected
d802672c7f00963613f289579073ac519f0d306c
Last affected
214aa69cac91a723239118bbbfe77d5654ddff6b

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49444.json"