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CVE-2009-3043
The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a…
Medium4.9EPSS 0.85%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.85% · top 42% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
Affected products
n/a
- affected n/a
References (9)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-kernel] 20090819 v2.6.31-rc6: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20090903 Re: CVE request: kernel: tty: make sure to flush any pending work when halting the ldisc (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20090904 Re: CVE request: kernel: tty: make sure to flush any pending work when halting the ldisc (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [linux-kernel] 20090820 Re: v2.6.31-rc6: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 36191 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20090831 CVE request: kernel: tty: make sure to flush any pending work when halting the ldisc (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [linux-kernel] 20090819 Re: v2.6.31-rc6: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-3043)Record last updated .