rxrpc: Fix re-decryption of RESPONSE packets
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix re-decryption of RESPONSE packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially decrypted state - and then get requeued for a retry. Fix this by just discarding the packet; we will send another CHALLENGE packet and thereby elicit a further response. Similarly, discard an incoming CHALLENGE packet if we get an error whilst generating a RESPONSE; the server will send another CHALLENGE.
CVE-2026-45988
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-45988
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "17926a79320afa9b95df6b977b40cca6d8713cea",
"lessThan": "d61482be4aae1835b78875761206241835a7510e",
"versionType": "git"
},
{
"status": "affected",
"version": "17926a79320afa9b95df6b977b40cca6d8713cea",
"lessThan": "7b89868305052b94a91b708c462bc2281fa42a4a",
"versionType": "git"
},
{
"status": "affected",
"version": "17926a79320afa9b95df6b977b40cca6d8713cea",
"lessThan": "76cb9a2d252274adfae6e293a292434631a7d472",
"versionType": "git"
},
{
"status": "affected",
"version": "17926a79320afa9b95df6b977b40cca6d8713cea",
"lessThan": "f55b383070170e988e4dec28be2af1714d258521",
"versionType": "git"
},
{
"status": "affected",
"version": "17926a79320afa9b95df6b977b40cca6d8713cea",
"lessThan": "0422e7a4883f25101903f3e8105c0808aa5f4ce9",
"versionType": "git"
}
],
"programFiles": [
"include/trace/events/rxrpc.h",
"net/rxrpc/conn_event.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.22"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "2.6.22",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.140",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.86",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.27",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.4",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"include/trace/events/rxrpc.h",
"net/rxrpc/conn_event.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-45988
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #40102 · Revision 1
- Added to Heist Feed
- Publisher date