CVE-2022-49877
- Source
- https://cve.org/CVERecord?id=CVE-2022-49877
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49877.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-49877
- Downstream
- Related
- Published
- 2025-05-01T14:10:25.682Z
- Modified
- 2026-04-11T12:44:37.629231Z
- Summary
- bpf, sockmap: Fix the sk->sk_forward_alloc warning of sk_stream_kill_queues
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf, sockmap: Fix the sk->skforwardalloc warning of skstreamkill_queues
When running
test_sockmapselftests, the following warning appears:WARNING: CPU: 2 PID: 197 at net/core/stream.c:205 skstreamkillqueues+0xd3/0xf0 Call Trace: <TASK> inetcskdestroysock+0x55/0x110 tcprcvstateprocess+0xd28/0x1380 ? tcpv4dorcv+0x77/0x2c0 tcpv4do_rcv+0x77/0x2c0 __release_sock+0x106/0x130 __tcpclose+0x1a7/0x4e0 tcpclose+0x20/0x70 inet_release+0x3c/0x80 __sockrelease+0x3a/0xb0 sockclose+0x14/0x20 __fput+0xa3/0x260 taskworkrun+0x59/0xb0 exittousermodeprepare+0x1b3/0x1c0 syscallexittousermode+0x19/0x50 dosyscall64+0x48/0x90 entrySYSCALL64afterhwframe+0x44/0xae
The root case is in commit 84472b436e76 ("bpf, sockmap: Fix more uncharged while msg has more_data"), where I used msg->sg.size to replace the tosend, causing breakage:
if (msg->applybytes && msg->applybytes < tosend) tosend = psock->apply_bytes;
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49877.json" }- References
-
- https://git.kernel.org/stable/c/14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7
- https://git.kernel.org/stable/c/8ec95b94716a1e4d126edc3fb2bc426a717e2dba
- https://git.kernel.org/stable/c/95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb
- https://git.kernel.org/stable/c/cc21dc48a78cc9e5af9a4d039cd456446a6e73ff
- https://git.kernel.org/stable/c/d975bec1eaeb52341acc9273db79ddb078220399
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49877.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49877
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced244ce90c8d0bd10ebf957da02c6f3fcd5d920bdfFixedd975bec1eaeb52341acc9273db79ddb078220399
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced7b812a369e6416ab06d83cdd39d8e3f752781dd0Fixedcc21dc48a78cc9e5af9a4d039cd456446a6e73ff
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced168ff181f5b6e7fce684c98a30d35da1dbf8f82aFixed95adbd2ac8de82e43fd6b347e7e1b47f74dc1abb
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced84472b436e760ba439e1969a9e3c5ae7c86de39dFixed14e8bc3bf7bd6af64d7538a0684c8238d96cdfd7Fixed8ec95b94716a1e4d126edc3fb2bc426a717e2dba
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected87d532d41ef937e16f61b3d2094f3a2ac49be365Last affectedabb4caa477a5450817d2aa1198edce66450aecf8
Linux / Kernel
Package
- Name
- Kernel