UnratedFix available
crypto: essiv - Check ssize for decryption and in-place encryption
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.246, 5.15.195, 5.4.301, 6.1.157, 6.12.54, 6.17.4, 6.6.113
- CVEs
- CVE-2025-40019
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 19:39 UTC · Revision 1
Source evidence
crypto: essiv - Check ssize for decryption and in-place encryption
core-osv · Original sourcePublished 24 Oct 2025, 11:44 UTC
In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.
osv:CVE-2025-40019
Kernel
Fixed versions: 5.4.301, 5.10.246, 5.15.195, 6.1.157, 6.6.113, 6.12.54, 6.17.4
Complete source record
{
"id": "1be2a9e4ced0c0477bd452f58d368cbd20a163c0f322b7b4601fe9941b8c89a0",
"url": "https://osv.dev/vulnerability/CVE-2025-40019",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "crypto: essiv - Check ssize for decryption and in-place encryption",
"summary": "In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.",
"evidence": "osv:CVE-2025-40019",
"products": [
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"name": {
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
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{
"value": "5.10.246",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.195",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.157",
"evidence": "/affected/1/ranges"
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{
"value": "6.6.113",
"evidence": "/affected/1/ranges"
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{
"value": "6.12.54",
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{
"value": "6.17.4",
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"severity": "unknown",
"structured": {
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"aliases": [
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"affected": [
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"type": "ECOSYSTEM",
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{
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"events": [
{
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{
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"events": [
{
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{
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"package": {
"name": "Kernel",
"ecosystem": "Linux"
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"database_specific": {
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],
"modified": "2026-10-28T02:30:38.607075309Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/248ff2797ff52a8cbf86507f9583437443bf7685",
"https://git.kernel.org/stable/c/29294dd6f1e7acf527255fb136ffde6602c3a129",
"https://git.kernel.org/stable/c/6bb73db6948c2de23e407fe1b7ef94bf02b7529f",
"https://git.kernel.org/stable/c/71f03f8f72d9c70ffba76980e78b38c180e61589",
"https://git.kernel.org/stable/c/da7afb01ba05577ba3629f7f4824205550644986",
"https://git.kernel.org/stable/c/dc4c854a5e7453c465fa73b153eba4ef2a240abe",
"https://git.kernel.org/stable/c/df58651968f82344a0ed2afdafd20ecfc55ff548",
"https://git.kernel.org/stable/c/f37e7860dc5e94c70b4a3e38a5809181310ea9ac",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40019.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-40019",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40019.json"
}
},
"related_cves": [
{
"value": "CVE-2025-40019",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 506260,
"published_at": "2025-10-24T11:44:29.864+00:00"
}