CVE-2008-4934
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.29% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- linux/linux kernel · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 3.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=649f1ee6c705aab644035a7998d7b574193a598a
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0264.htmlThird Party Advisory
- http://secunia.com/advisories/32510Third Party Advisory
- http://secunia.com/advisories/32918Third Party Advisory
- http://secunia.com/advisories/32998Third Party Advisory
- http://secunia.com/advisories/33180Third Party Advisory
- http://secunia.com/advisories/33556Third Party Advisory
- http://secunia.com/advisories/33858Third Party Advisory
- http://www.debian.org/security/2008/dsa-1681Third Party Advisory
- http://www.debian.org/security/2008/dsa-1687Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:234Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/11/03/2Mailing List, Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0014.htmlPatch, Third Party Advisory
- http://www.securityfocus.com/bid/32096Patch, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-679-1Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46327Third Party Advisory, VDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11635Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=649f1ee6c705aab644035a7998d7b574193a598a
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0264.htmlThird Party Advisory
- http://secunia.com/advisories/32510Third Party Advisory
- http://secunia.com/advisories/32918Third Party Advisory
- http://secunia.com/advisories/32998Third Party Advisory
- http://secunia.com/advisories/33180Third Party Advisory
- http://secunia.com/advisories/33556Third Party Advisory
- http://secunia.com/advisories/33858Third Party Advisory
- http://www.debian.org/security/2008/dsa-1681Third Party Advisory
- http://www.debian.org/security/2008/dsa-1687Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:234Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.