CVE-2026-98579: Linux kernel · nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in e43ec0191c1630f41e7043ac729ea6f1b8044a7f : update Linux kernel when convenient.
Data as of 26 Oct 2026, 14:05 UTC
Rated Low by Threat Radar's AI analysis · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in e43ec0191c1630f41e7043ac729ea6f1b8044a7f, d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02, cbde7f5d326172d6dbb55cca0df42fa7e1ed8115 +5
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
A fix is available and has been applied in the Linux kernel. Users and administrators should update to a fixed kernel version that includes the patch identified by the provided commit hashes. No additional mitigation is required once patched.
Description
A memory leak vulnerability was fixed in the Linux kernel's NFC LLCP implementation. The issue involved a failure to free allocated TLV nodes on certain error paths during nested netlink attribute parsing and sending. This flaw was addressed by routing error paths through a common cleanup routine to properly free resources.
References
- git.kernel.org/stable/c/5b1eca82085134bd92cd3810b0ef003c91e3f668 (opens in a new tab)
- git.kernel.org/stable/c/d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02 (opens in a new tab)
- git.kernel.org/stable/c/755bfc409748d8f3df64eb0eb26926270de3dd77 (opens in a new tab)
- git.kernel.org/stable/c/e43ec0191c1630f41e7043ac729ea6f1b8044a7f (opens in a new tab)
- git.kernel.org/stable/c/08d2c069239ab425fdd333784a6a3b3e034e4aa0 (opens in a new tab)
- git.kernel.org/stable/c/cbde7f5d326172d6dbb55cca0df42fa7e1ed8115 (opens in a new tab)
- git.kernel.org/stable/c/0b01a946b0f234f5badd25968610b585a4895f08 (opens in a new tab)
- git.kernel.org/stable/c/66f4300206b82b0b143ef0d9be90cd8d29f23a47 (opens in a new tab)