sched: act_ct: take care of padding in struct zones_ht_key
In the Linux kernel, the following vulnerability has been resolved: sched: act_ct: take care of padding in struct zones_ht_key Blamed commit increased lookup key size from 2 bytes to 16 bytes, because zones_ht_key got a struct net pointer. Make sure rhashtable_lookup() is not using the padding bytes which are not initialized. BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline] BUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline] BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline] BUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline] BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329 rht_ptr_rcu include/linux/rhashtable.h:376 [inline] __rhashtable_lookup include/linux/rhashtable.h:607 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline] tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329 tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408 tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425 tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488 tcf_action_add net/sched/act_api.c:2061 [inline] tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118 rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550 rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665 netlink_unicast_kernel net
CVE-2024-42272
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-2024-42272
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": "03f625505e27f709390a86c9b78d3707f4c23df8",
"lessThan": "7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee",
"versionType": "git"
},
{
"status": "affected",
"version": "aa1f81fe3a059bc984b230b5352ab89d06aa3c7b",
"lessThan": "3ddefcb8f75e312535e2e7d5fef9932019ba60f2",
"versionType": "git"
},
{
"status": "affected",
"version": "2f82f75f843445daa81e8b2a76774b1348033ce6",
"lessThan": "d06daf0ad645d9225a3ff6958dd82e1f3988fa64",
"versionType": "git"
},
{
"status": "affected",
"version": "9126fd82e9edc7b4796f756e4b258d34f17e5e4a",
"lessThan": "d7cc186d0973afce0e1237c37f7512c01981fb79",
"versionType": "git"
},
{
"status": "affected",
"version": "88c67aeb14070bab61d3dd8be96c8b42ebcaf53a",
"lessThan": "3a5b68869dbe14f1157c6a24ac71923db060eeab",
"versionType": "git"
},
{
"status": "affected",
"version": "88c67aeb14070bab61d3dd8be96c8b42ebcaf53a",
"lessThan": "2191a54f63225b548fd8346be3611c3219a24738",
"versionType": "git"
},
{
"status": "affected",
"version": "b4382b854975ae96fbfcc83a1d79b5c063c1aaa8",
"versionType": "git"
},
{
"status": "affected",
"version": "5.10.221",
"lessThan": "5.10.224",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.162",
"lessThan": "5.15.165",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.96",
"lessThan": "6.1.104",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.6.36",
"lessThan": "6.6.45",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.9.7",
"lessThan": "6.10",
"versionType": "semver"
}
],
"programFiles": [
"net/sched/act_ct.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": "5.10.224",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.165",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.104",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.45",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.10.4",
"versionType": "semver",
"lessThanOrEqual": "6.10.*"
},
{
"status": "unaffected",
"version": "6.11",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/sched/act_ct.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2024-42272
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #26676 · Revision 1
- Added to Heist Feed
- Publisher date