netfilter: nf_tables: clone set on flush only
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clone set on flush only Syzbot with fault injection triggered a failing memory allocation with GFP_KERNEL which results in a WARN splat: iter.err WARNING: net/netfilter/nf_tables_api.c:845 at nft_map_deactivate+0x34e/0x3c0 net/netfilter/nf_tables_api.c:845, CPU#0: syz.0.17/5992 Modules linked in: CPU: 0 UID: 0 PID: 5992 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:nft_map_deactivate+0x34e/0x3c0 net/netfilter/nf_tables_api.c:845 Code: 8b 05 86 5a 4e 09 48 3b 84 24 a0 00 00 00 75 62 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 63 6d fa f7 90 <0f> 0b 90 43 +80 7c 35 00 00 0f 85 23 fe ff ff e9 26 fe ff ff 89 d9 RSP: 0018:ffffc900045af780 EFLAGS: 00010293 RAX: ffffffff89ca45bd RBX: 00000000fffffff4 RCX: ffff888028111e40 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffffc900045af870 R08: 0000000000400dc0 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1d141db R12: ffffc900045af7e0 R13: 1ffff920008b5f24 R14: dffffc0000000000 R15: ffffc900045af920 FS: 000055557a6a5500(0000) GS:ffff888125496000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5ea271fc0 CR3: 000000003269e000 CR4: 00000000003526f0 Call Trace: __nft_release_table+0xceb/0x11f0 net/netfilter/nf_tables_api.c:12115 nft_rcv_nl_event+0xc25
CVE-2026-23385
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-2026-23385
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": "744dc9a47a8458ed49becd6123a092c7dae82b8b",
"lessThan": "e38f054f0af98224003e600545726fbd96379cfb",
"versionType": "git"
},
{
"status": "affected",
"version": "3f1d886cc7c3525d4dbeee24bfa9bb3fe0d48ddc",
"lessThan": "454306ceb94dc47a52443181082c91204c007a74",
"versionType": "git"
},
{
"status": "affected",
"version": "3f1d886cc7c3525d4dbeee24bfa9bb3fe0d48ddc",
"lessThan": "9154945a6394029822bd08c24cef5a3f86d0424a",
"versionType": "git"
},
{
"status": "affected",
"version": "3f1d886cc7c3525d4dbeee24bfa9bb3fe0d48ddc",
"lessThan": "b7f67282ca2be14b727dd698b50e10cf5d8c66f9",
"versionType": "git"
},
{
"status": "affected",
"version": "3f1d886cc7c3525d4dbeee24bfa9bb3fe0d48ddc",
"lessThan": "fb7fb4016300ac622c964069e286dc83166a5d52",
"versionType": "git"
},
{
"status": "affected",
"version": "7c80229aa6e2707e59aa80cc041127cf9a79bcc9",
"versionType": "git"
},
{
"status": "affected",
"version": "11fb04a111934eb8fbed077cd943719ed16c6447",
"versionType": "git"
},
{
"status": "affected",
"version": "6.6.148",
"lessThan": "6.6.151",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.217",
"lessThan": "5.16",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.184",
"lessThan": "6.2",
"versionType": "semver"
}
],
"programFiles": [
"include/net/netfilter/nf_tables.h",
"net/netfilter/nf_tables_api.c",
"net/netfilter/nft_set_hash.c",
"net/netfilter/nft_set_pipapo.c",
"net/netfilter/nft_set_rbtree.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.10"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.10",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.151",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.114",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.17",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "6.19.7",
"versionType": "semver",
"lessThanOrEqual": "6.19.*"
},
{
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"include/net/netfilter/nf_tables.h",
"net/netfilter/nf_tables_api.c",
"net/netfilter/nft_set_hash.c",
"net/netfilter/nft_set_pipapo.c",
"net/netfilter/nft_set_rbtree.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-23385
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #46123 · Revision 1
- Added to Heist Feed
- Publisher date