CVE-2022-48691 (GCVE-0-2022-48691)
Vulnerability from cvelistv5 – Published: 2024-05-03 15:03 – Updated: 2026-05-11 18:45
VLAI
EPSS
VEX
Title
netfilter: nf_tables: clean up hook list when offload flags check fails
Summary
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: clean up hook list when offload flags check fails
splice back the hook list so nft_chain_release_hook() has a chance to
release the hooks.
BUG: memory leak
unreferenced object 0xffff88810180b100 (size 96):
comm "syz-executor133", pid 3619, jiffies 4294945714 (age 12.690s)
hex dump (first 32 bytes):
28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#.....
90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................
backtrace:
[<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline]
[<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901
[<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]
[<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073
[<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218
[<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593
[<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517
[<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]
[<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656
[<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
[<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345
[<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921
[<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline]
[<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734
[<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482
[<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536
[<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565
[<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
[<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-12 20:37 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
d54725cd11a57c30f650260cfb0a92c268bdc3e0 , < 910891a2a44cdc49efcc4fe7459c1085ba00d0f4
(git)
Affected: d54725cd11a57c30f650260cfb0a92c268bdc3e0 , < 1ce55ec5cb7c573c983dffbe290b8d17caf1f157 (git) Affected: d54725cd11a57c30f650260cfb0a92c268bdc3e0 , < 94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5 (git) Affected: d54725cd11a57c30f650260cfb0a92c268bdc3e0 , < 77972a36ecc4db7fc7c68f0e80714263c5f03f65 (git) |
guessed | |
| Linux | Linux |
Affected:
5.5
Unaffected: 0 , < 5.5 (semver) Unaffected: 5.10.143 , ≤ 5.10.* (semver) Unaffected: 5.15.68 , ≤ 5.15.* (semver) Unaffected: 5.19.9 , ≤ 5.19.* (semver) Unaffected: 6.0 , ≤ * (original_commit_for_fix) |
guessed |
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_tables: limpia la lista de ganchos cuando falla la verificaci\u00f3n de indicadores de descarga, vuelve a unir la lista de ganchos para que nft_chain_release_hook() tenga la oportunidad de liberar los ganchos. ERROR: p\u00e9rdida de memoria objeto sin referencia 0xffff88810180b100 (tama\u00f1o 96): comunicaci\u00f3n \"syz-executor133\", pid 3619, jiffies 4294945714 (edad 12.690 s) volcado hexadecimal (primeros 32 bytes): 28 64 23 02 81 88 ff ff 28 64 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ retroceso : [] kmalloc include/linux/slab.h:600 [en l\u00ednea] [] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [] netdev net/netfilter/nf_tables_api. c:1998 [en l\u00ednea] [] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [] nf_tables_addchain.constprop.0+0x10b/0x950 f_tables_api.c:2218 [\u0026lt; ffffffff83a9c41b\u0026gt;] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c: 638 [en l\u00ednea] [] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [en l\u00ednea] [] emitir+0x397/ 0x4c0 net/netlink/af_netlink.c:1345 [] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [] sock_sendmsg_nosec net/socket.c:714 [en l\u00ednea] 65ab6\u0026gt;] sock_sendmsg+0x56/0x80 net/socket.c:734 [] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [] ___sys_sendmsg+0xa8/0x110 36 [ ] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [] do_syscall_x64 arch/x86/entry/common.c:50 [en l\u00ednea] [] do_syscall_64+0x35/0xb0 arch/x86/ent ry/com\u00fan .c:80 [] entrada_SYSCALL_64_after_hwframe+0x63/0xcd"
}
],
"id": "CVE-2022-48691",
"lastModified": "2026-06-17T05:15:56.110",
"metrics": {
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"scope": "UNCHANGED",
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"version": "2.0.3"
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"published": "2024-05-03T15:15:07.887",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
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"value": "CWE-401"
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"source": "nvd@nist.gov",
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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-05-11T20:12:32+00:00",
"cve": "CVE-2022-48691",
"id": "CVE-2022-48691",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_affected": "156",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: clean up hook list when offload flags check fails",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48691.json",
"version": "3"
},
"vulnrichment": {
"containers": {
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"url": "https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65"
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],
"title": "CVE Program Container"
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"metrics": [
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"scope": "UNCHANGED",
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"other": {
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"timestamp": "2024-06-12T20:37:11.395564Z",
"version": "2.0.3"
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"type": "ssvc"
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"problemTypes": [
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"descriptions": [
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"description": "CWE-noinfo Not enough information",
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"type": "CWE"
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}
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"providerMetadata": {
"dateUpdated": "2024-06-12T20:38:07.258Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
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"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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"versions": [
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},
{
"lessThanOrEqual": "5.15.*",
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"version": "5.15.68",
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},
{
"lessThanOrEqual": "5.19.*",
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"version": "5.19.9",
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{
"lessThanOrEqual": "*",
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"cpeApplicability": [
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"cpeMatch": [
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"versionEndExcluding": "5.10.143",
"versionStartIncluding": "5.5",
"vulnerable": true
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{
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},
{
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{
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],
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],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: clean up hook list when offload flags check fails\n\nsplice back the hook list so nft_chain_release_hook() has a chance to\nrelease the hooks.\n\nBUG: memory leak\nunreferenced object 0xffff88810180b100 (size 96):\n comm \"syz-executor133\", pid 3619, jiffies 4294945714 (age 12.690s)\n hex dump (first 32 bytes):\n 28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#.....\n 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................\n backtrace:\n [\u003cffffffff83a8c59b\u003e] kmalloc include/linux/slab.h:600 [inline]\n [\u003cffffffff83a8c59b\u003e] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901\n [\u003cffffffff83a9239a\u003e] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]\n [\u003cffffffff83a9239a\u003e] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073\n [\u003cffffffff83a9b14b\u003e] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218\n [\u003cffffffff83a9c41b\u003e] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593\n [\u003cffffffff83a3d6a6\u003e] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517\n [\u003cffffffff83a3db79\u003e] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]\n [\u003cffffffff83a3db79\u003e] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656\n [\u003cffffffff83a13b17\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n [\u003cffffffff83a13b17\u003e] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n [\u003cffffffff83a13fd6\u003e] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n [\u003cffffffff83865ab6\u003e] sock_sendmsg_nosec net/socket.c:714 [inline]\n [\u003cffffffff83865ab6\u003e] sock_sendmsg+0x56/0x80 net/socket.c:734\n [\u003cffffffff8386601c\u003e] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482\n [\u003cffffffff8386a918\u003e] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n [\u003cffffffff8386aaa8\u003e] __sys_sendmsg+0x88/0x100 net/socket.c:2565\n [\u003cffffffff845e5955\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n [\u003cffffffff845e5955\u003e] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n [\u003cffffffff84800087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
}
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"title": "netfilter: nf_tables: clean up hook list when offload flags check fails",
"x_generator": {
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"cveMetadata": {
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"cveId": "CVE-2022-48691",
"datePublished": "2024-05-03T15:03:28.996Z",
"dateReserved": "2024-05-03T14:55:07.144Z",
"dateUpdated": "2025-05-04T08:21:09.702Z",
"state": "PUBLISHED"
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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