CVE-2024-49964

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix memfdpinfolios freehugepages leak memfdpinfolios followed by unpinfolios fails to restore freehugepages if the pages were not already faulted in, because the folio refcount for pages created by memfdallocfolio nev...

CVE-2024-49964 mm/hugetlb: fix memfd_pin_folios free_huge_pages leak

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix memfdpinfolios freehugepages leak memfdpinfolios followed by unpinfolios fails to restore freehugepages if the pages were not already faulted in, because the folio refcount for pages created by memfdallocfolio nev...

CVE-2024-49885 mm, slub: avoid zeroing kmalloc redzone

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

CVE-2024-49885

CVE-2024-49885: Linux kernel mm/slub kmalloc redzone issue resolved. Root cause: orig_size handling treated wasted space as redzone and, with init_on_free=1, clears full object->size including metadata, causing check_object() to misclassify the object as redzone. Fix: clear the used area using...

CVE-2024-49885 mm, slub: avoid zeroing kmalloc redzone

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

CVE-2024-49873 mm/filemap: fix filemap_get_folios_contig THP panic

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...

CVE-2024-49873

CVE-2024-49873 : In the Linux kernel, memfd_pin_folios with THP-backed memory may panic or cause a NULL-pointer dereference when the requested start offset is not aligned to a huge page boundary. The issue arises because filemap_get_folios_contig could load a folio that is a sibling and then fail...

CVE-2024-49872

The CVE-2024-49872 issue affects the Linux kernel in mm/gup where memfd_pin_folios can race when creating a hugetlb folio and another actor has already done so, leading to a -EEXIST and a panicking folio_put call if the same folio is used in the next loop iteration. The patch fixes the race by cl...

CVE-2024-49872 mm/gup: fix memfd_pin_folios alloc race panic

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix memfdpinfolios alloc race panic If memfdpinfolios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here: folio = memfdallocfoliomemfd, startidx; if ISERRfolio ret =...

CVE-2024-47745

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

CVE-2024-47745 mm: call the security_mmap_file() LSM hook in remap_file_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: call the securitymmapfile LSM hook in remapfilepages The remapfilepages syscall handler calls dommap directly, which doesn't contain the LSM security check. And if the process has called personalityREADIMPLIESEXEC before and...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the mm component not performing LSM security checks in the remapfilepages system call...

CVE-2024-47674

In the Linux kernel, the following vulnerability has been resolved: mm: avoid leaving partial pfn mappings around in error case As Jann points out, PFN mappings are special, because unlike normal memory mappings, there is no lifetime information associated with the mapping - it is just a raw...

CVE-2024-47674

In the Linux kernel, the following vulnerability has been resolved: mm: avoid leaving partial pfn mappings around in error case As Jann points out, PFN mappings are special, because unlike normal memory mappings, there is no lifetime information associated with the mapping - it is just a raw...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2024-12780)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12780 advisory. - VMCI: Fix use-after-free when removing resource in vmciresourceremove David Fernandez Gonzalez Orabug: 37037205 CVE-2024-46738 - exec: Fix ToCTo...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2024-12782)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12782 advisory. - VMCI: Fix use-after-free when removing resource in vmciresourceremove David Fernandez Gonzalez Orabug: 37037205 CVE-2024-46738 - exec: Fix ToCTo...

Unbreakable Enterprise kernel security update

4.14.35-2047.541.4.1 - vhost/scsi: null-ptr-dereference in vhostscsigetreq Haoran Zhang Orabug: 37137499 4.14.35-2047.541.4 - selftests: make order checking verbose in msgzerocopy selftest Zijian Zhang Orabug: 37063821 - selftests: fix OOM in msgzerocopy selftest Zijian Zhang Orabug: 37063821 -...

SUSE-SU-2024:3587-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48901: btrfs: do not start relocation until in progress drops are done bsc1229607. - CVE-2022-48911: kabi: add nfqueuegetrefs for kabi compliance...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2024:3564-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:3564-1 advisory. The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were...

SUSE-SU-2024:3564-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52610: net/sched: actct: fix skb leak and crash on ooo frags bsc1221610. - CVE-2023-52752: smb: client: fix use-after-free bug in cifsdebugdataprocshow...