bpf: Avoid __bpf_prog_ret0_warn when jit fails
In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid __bpf_prog_ret0_warn when jit fails syzkaller reported an issue: WARNING: CPU: 3 PID: 217 at kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 Modules linked in: CPU: 3 UID: 0 PID: 217 Comm: kworker/u32:6 Not tainted 6.15.0-rc4-syzkaller-00040-g8bac8898fe39 RIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 Call Trace: bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] cls_bpf_classify+0x74a/0x1110 net/sched/cls_bpf.c:105 ... When creating bpf program, 'fp->jit_requested' depends on bpf_jit_enable. This issue is triggered because of CONFIG_BPF_JIT_ALWAYS_ON is not set and bpf_jit_enable is set to 1, causing the arch to attempt JIT the prog, but jit failed due to FAULT_INJECTION. As a result, incorrectly treats the program as valid, when the program runs it calls `__bpf_prog_ret0_warn` and triggers the WARN_ON_ONCE(1).
CVE-2025-38280
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-2025-38280
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": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "e7fb4ebee6e900899d2b2e5852c3e2eafcbcad66",
"versionType": "git"
},
{
"status": "affected",
"version": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "ef92b96530d1731d9ac167bc7c193c683cd78fff",
"versionType": "git"
},
{
"status": "affected",
"version": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "6f639c25bfad17d9fd7379ab91ff9678ea9aac85",
"versionType": "git"
},
{
"status": "affected",
"version": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "2bc6dffb4b72d53d6a6ada510269bf548c3f7ae0",
"versionType": "git"
},
{
"status": "affected",
"version": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "0b9bb52796b239de6792d0d68cdc6eb505ebff96",
"versionType": "git"
},
{
"status": "affected",
"version": "fa9dd599b4dae841924b022768354cfde9affecb",
"lessThan": "86bc9c742426a16b52a10ef61f5b721aecca2344",
"versionType": "git"
},
{
"status": "affected",
"version": "5124abda3060e2eab506fb14a27acadee3c3e396",
"versionType": "git"
},
{
"status": "affected",
"version": "234646dcfc5f531c74ab20595e89eacd62e3611f",
"versionType": "git"
},
{
"status": "affected",
"version": "4.9.190",
"lessThan": "4.10",
"versionType": "semver"
},
{
"status": "affected",
"version": "4.14.140",
"lessThan": "4.15",
"versionType": "semver"
}
],
"programFiles": [
"kernel/bpf/core.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.16"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.16",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.15.186",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.142",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.94",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.34",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.15.3",
"versionType": "semver",
"lessThanOrEqual": "6.15.*"
},
{
"status": "unaffected",
"version": "6.16",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/bpf/core.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-38280
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #27028 · Revision 1
- Added to Heist Feed
- Publisher date