netfilter: x_tables: fix LED ID check in led_tg_check()
In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: fix LED ID check in led_tg_check() Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70 Read of size 1 at addr ffff8881022da0c8 by task repro/5879 ... Call Trace: dump_stack_lvl+0x241/0x360 ? __pfx_dump_stack_lvl+0x10/0x10 ? __pfx__printk+0x10/0x10 ? _printk+0xd5/0x120 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x183/0x530 print_report+0x169/0x550 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x45f/0x530 ? __phys_addr+0xba/0x170 ? strlen+0x58/0x70 kasan_report+0x143/0x180 ? strlen+0x58/0x70 strlen+0x58/0x70 kstrdup+0x20/0x80 led_tg_check+0x18b/0x3c0 xt_check_target+0x3bb/0xa40 ? __pfx_xt_check_target+0x10/0x10 ? stack_depot_save_flags+0x6e4/0x830 ? nft_target_init+0x174/0xc30 nft_target_init+0x82d/0xc30 ? __pfx_nft_target_init+0x10/0x10 ? nf_tables_newrule+0x1609/0x2980 ? nf_tables_newrule+0x1609/0x2980 ? rcu_is_watching+0x15/0xb0 ? nf_tables_newrule+0x1609/0x2980 ? nf_tables_newrule+0x1609/0x2980 ? __kmalloc_noprof+0x21a/0x400 nf_tables_newrule+0x1860/0x2980 ? __pfx_nf_tables_newrule+0x10/0x10 ? __nla_parse+0x40/0x60 nfnetlink_rcv+0x14e5/0x2ab0 ? __pfx_validate_chain+0x10/0x10 ? __pfx_nfnetlink_rcv+0x10/0x10 ? __lock_acquire+0x1384/0x2050 ? netlink_deliver_tap+0x2e/0x1b0 ? __pfx_lock_release+0x10/0x10 ? netlink_deliver_tap+0x2e/0x1b0 netlink_unicast+0x7f8/0x990 ? __pfx_netlink_unicast+0x
CVE-2024-56650
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-2024-56650
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": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "147a42bb02de8735cb08476be6d0917987d022c2",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "ad28612ebae1fcc1104bd432e99e99d87f6bfe09",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "36a9d94dac28beef6b8abba46ba8874320d3e800",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "ab9916321c95f5280b72b4c5055e269f98627efe",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "a9bcc0b70d9baf3ff005874489a0dc9d023b54c3",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "c40c96d98e536fc1daaa125c2332b988615e30a4",
"versionType": "git"
},
{
"status": "affected",
"version": "268cb38e1802db560c73167e643f14a3dcb4b07c",
"lessThan": "04317f4eb2aad312ad85c1a17ad81fe75f1f9bc7",
"versionType": "git"
}
],
"programFiles": [
"net/netfilter/xt_LED.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.30"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "2.6.30",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.287",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.231",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.174",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.120",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.66",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.5",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.13",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/netfilter/xt_LED.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2024-56650
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #26836 · Revision 1
- Added to Heist Feed
- Publisher date