CVE-2026-74432
rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 15, 2026, 6:22 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-74432
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the provided kernel patch for rxrpc.
- Ensure all call references are dropped correctly.
- Review memory management in network subsystems.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-74432.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74432 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-74432
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-74432 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74432 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '7692bde890061797f3dece0148d7859e85c55778', 'lessThan': '86eff3140c9d4b52bba13d1cba266da933403e51', 'versionType': 'git'}, {'status': 'affected', 'version': '839fe96c15209dc2255c064bb44b636efe04f032', 'lessThan': 'e473cd3046a1aaec1e39af5df2042ce7c04d5e74', 'versionType': 'git'}, {'status': 'affected', 'version': '962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc', 'lessThan': '2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5', 'versionType': 'git'}, {'status': 'affected', 'version': '962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc', 'lessThan': '04c7103dc0923cc6ac95b97aa66bab70da7ace84', 'versionType': 'git'}, {'status': 'affected', 'version': '962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc', 'lessThan': '4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c', 'versionType': 'git'}, {'status': 'affected', 'version': '6c75a97a32a5fa2060c3dd30207e63b6914b606d', 'versionType': 'git'}, {'status': 'affected', 'version': '6.6.100', 'lessThan': '6.6.145', 'versionType': 'semver'}, {'status': 'affected', 'version': '6.12.40', 'lessThan': '6.12.97', 'versionType': 'semver'}, {'status': 'affected', 'version': '6.15.8', 'lessThan': '6.16', 'versionType': 'semver'}], 'programFiles': ['net/rxrpc/recvmsg.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.16'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.16', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/rxrpc/recvmsg.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not). Added Reference https://git.kernel.org/stable/c/04c7103dc0923cc6ac95b97aa66bab70da7ace84 Added Reference https://git.kernel.org/stable/c/2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5 Added Reference https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c Added Reference https://git.kernel.org/stable/c/86eff3140c9d4b52bba13d1cba266da933403e51 Added Reference https://git.kernel.org/stable/c/e473cd3046a1aaec1e39af5df2042ce7c04d5e74