CVE-2025-23154
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-23154
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-23154.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-23154
- Downstream
- Related
- Published
- 2025-05-01T12:55:40Z
- Modified
- 2025-10-10T09:38:38.491985Z
- Summary
- io_uring/net: fix io_req_post_cqe abuse by send bundle
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
iouring/net: fix ioreqpostcqe abuse by send bundle
[ 114.987980][ T5313] WARNING: CPU: 6 PID: 5313 at iouring/iouring.c:872 ioreqpostcqe+0x12e/0x4f0 [ 114.991597][ T5313] RIP: 0010:ioreqpostcqe+0x12e/0x4f0 [ 115.001880][ T5313] Call Trace: [ 115.002222][ T5313] <TASK> [ 115.007813][ T5313] iosend+0x4fe/0x10f0 [ 115.009317][ T5313] ioissuesqe+0x1a6/0x1740 [ 115.012094][ T5313] iowqsubmitwork+0x38b/0xed0 [ 115.013223][ T5313] ioworkerhandlework+0x62a/0x1600 [ 115.013876][ T5313] iowq_worker+0x34f/0xdf0
As the comment states, ioreqpostcqe() should only be used by multishot requests, i.e. REQFAPOLLMULTISHOT, which bundled sends are not. Add a flag signifying whether a request wants to post multiple CQEs. Eventually REQFAPOLL_MULTISHOT should imply the new flag, but that's left out for simplicity.
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/6889ae1b4df1579bcdffef023e2ea9a982565dff
- https://git.kernel.org/stable/c/7888c9fc0b2d3636f2e821ed1ad3c6920fa8e378
- https://git.kernel.org/stable/c/9aa804e6b9696998308095fb9d335046a71550f1
- https://git.kernel.org/stable/c/b7c6d081c19a5e11bbd77bb97a62cff2b6b21cb5
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
-
Introduceda05d1f625c7aa681d8816bc0f10089289ad07aadFixedb7c6d081c19a5e11bbd77bb97a62cff2b6b21cb5
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda05d1f625c7aa681d8816bc0f10089289ad07aadFixed7888c9fc0b2d3636f2e821ed1ad3c6920fa8e378
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda05d1f625c7aa681d8816bc0f10089289ad07aadFixed9aa804e6b9696998308095fb9d335046a71550f1
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda05d1f625c7aa681d8816bc0f10089289ad07aadFixed6889ae1b4df1579bcdffef023e2ea9a982565dff