CVE-2022-49444
Full vulnerability record from the local CVENow database.
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]
Severity
HIGH
CVSS score
7.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-02-26 07:01:20.820000
Last modified
2026-11-05 20:17:06.387000
View original CVE JSON
{
"id": "CVE-2022-49444",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-02-26T07:01:20.820",
"lastModified": "2026-11-05T20:17:06.387",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmodule: fix [e_shstrndx].sh_size=0 OOB access\n\nIt is trivial to craft a module to trigger OOB access in this line:\n\n\tif (info->secstrings[strhdr->sh_size - 1] != '\\0') {\n\nBUG: unable to handle page fault for address: ffffc90000aa0fff\nPGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014\nRIP: 0010:load_module+0x19b/0x2391\n\n[rebased patch onto modules-next]"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: módulo: fix [e_shstrndx].sh_size=0 Acceso OOB Es trivial crear un módulo para activar el acceso OOB en esta línea: if (info->secstrings[strhdr->sh_size - 1] != '\\0') { ERROR: no se puede controlar el error de página para la dirección: 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] "
}
],
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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],
"metrics": {
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{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T19:45:38.455317Z",
"id": "CVE-2022-49444",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
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{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
"configurations": [
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