CVE-2026-98579

nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure

State: Published
Severity: Not scored
Published: Oct 18, 2026
Updated: Oct 19, 2026
Reserved: Sep 25, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure

nfc_genl_llc_sdreq() builds a list of TLV nodes while walking nested netlink attrs, but 3 error paths (nested-attr parse failure, TLV alloc ENOMEM, nfc_llcp_send_snl_sdreq() failure) all skip freeing what was already queued.

Route them through a new free_list label, mirroring the SDRES path in the same file which already does this. Harmless on the success path too -- send_snl_sdreq() drains the list as it moves nodes, so it's already empty by the time free_list runs.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	d9b8d8e19b073096d3609bbd60f82148d128b555 to before 5b1eca82085134bd92cd3810b0ef003c91e3f668Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before 755bfc409748d8f3df64eb0eb26926270de3dd77Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before e43ec0191c1630f41e7043ac729ea6f1b8044a7fAffected d9b8d8e19b073096d3609bbd60f82148d128b555 to before 08d2c069239ab425fdd333784a6a3b3e034e4aa0Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before cbde7f5d326172d6dbb55cca0df42fa7e1ed8115Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before 0b01a946b0f234f5badd25968610b585a4895f08Affected d9b8d8e19b073096d3609bbd60f82148d128b555 to before 66f4300206b82b0b143ef0d9be90cd8d29f23a47Affected
LinuxLinux	3.10Affected before 3.10Not affected 5.10.271 through 5.10.Not affected 5.15.222 through 5.15.Not affected 6.1.189 through 6.1.Not affected 6.6.158 through 6.6.Not affected 6.12.112 through 6.12.Not affected 6.18.55 through 6.18.Not affected 7.2.9 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

d9b8d8e19b073096d3609bbd60f82148d128b555 to before 5b1eca82085134bd92cd3810b0ef003c91e3f668Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before d3f60a7fc291d08cd9192a3b4cd5d3a223fa7d02Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before 755bfc409748d8f3df64eb0eb26926270de3dd77Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before e43ec0191c1630f41e7043ac729ea6f1b8044a7fAffected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before 08d2c069239ab425fdd333784a6a3b3e034e4aa0Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before cbde7f5d326172d6dbb55cca0df42fa7e1ed8115Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before 0b01a946b0f234f5badd25968610b585a4895f08Affected
d9b8d8e19b073096d3609bbd60f82148d128b555 to before 66f4300206b82b0b143ef0d9be90cd8d29f23a47Affected

LinuxLinux

3.10Affected
before 3.10Not affected
5.10.271 through 5.10.*Not affected
5.15.222 through 5.15.*Not affected
6.1.189 through 6.1.*Not affected
6.6.158 through 6.6.*Not affected
6.12.112 through 6.12.*Not affected
6.18.55 through 6.18.*Not affected
7.2.9 through 7.2.*Not affected
7.3 and laterNot affected

References

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