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SUSE-SU-2023:3006-1 Not scored

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-20593: Fixed a ZenBleed issue in 'Zen 2' CPUs that could allow an attacker to potentially access sensitive information (bsc#1213286). - CVE-2023-2985: Fixed an use-after-free vulnerability in hfsplus_put_super in fs/hfsplus/super.c that could allow a local user to cause a denial of service (bsc#1211867). - CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213059). The following non-security bugs were fixed: - Get module prefix from kmod (bsc#1212835). - USB: add NO_LPM quirk for Realforce 87U Keyboard (git-fixes). - USB: core: add quirk for Alcor Link AK9563 smartcard reader (git-fixes). - USB: core: hub: Disable autosuspend for Cypress CY7C65632 (git-fixes). - USB: hcd-pci: Fully suspend across freeze/thaw cycle (git-fixes). - USB: hub: Add delay for SuperSpeed hub resume to let links transit to U0 (git-fixes). - USB: serial: option: add Fibocom FM160 0x0111 composition (git-fixes). - USB: serial: option: add Quectel EM05-G (GR) modem (git-fixes). - USB: serial: option: add Quectel EM05-G (RS) modem (git-fixes). - USB: serial: option: add Sierra Wireless EM9191 (git-fixes). - USB: serial: option: add u-blox LARA-R6 00B modem (git-fixes). - blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration (bsc#1213022). - btrfs: fix resolving backrefs for inline extent followed by prealloc (bsc#1213133). - dlm: Delete an unnecessary variable initialisation in dlm_ls_start() (git-fixes). - dlm: NULL check before kmem_cache_destroy is not needed (git-fixes). - dlm: fix invalid cluster name warning (git-fixes). - dlm: fix missing idr_destroy for recover_idr (git-fixes). - dlm: fix missing lkb refcount handling (git-fixes). - dlm: fix plock invalid read (git-fixes). - dlm: fix possible call to kfree() for non-initialized pointer (git-fixes). - ext4: Fix reusing stale buffer heads from last failed mounting (bsc#1213020). - ext4: add inode table check in __ext4_get_inode_loc to aovid possible infinite loop (bsc#1207617). - ext4: avoid BUG_ON when creating xattrs (bsc#1205496). - ext4: avoid unaccounted block allocation when expanding inode (bsc#1207634). - ext4: bail out of ext4_xattr_ibody_get() fails for any reason (bsc#1213018). - ext4: fail ext4_iget if special inode unallocated (bsc#1213010). - ext4: fix RENAME_WHITEOUT handling for inline directories (bsc#1210766). - ext4: fix WARNING in ext4_update_inline_data (bsc#1213012). - ext4: fix bug_on in __es_tree_search caused by bad boot loader inode (bsc#1207620). - ext4: fix cgroup writeback accounting with fs-layer encryption (bsc#1210765). - ext4: fix deadlock due to mbcache entry corruption (bsc#1207653). - ext4: fix error code return to user-space in ext4_get_branch() (bsc#1207630). - ext4: fix i_disksize exceeding i_size problem in paritally written case (bsc#1213015). - ext4: fix to check return value of freeze_bdev() in ext4_shutdown() (bsc#1213021). - ext4: improve error recovery code paths in __ext4_remount() (bsc#1213017). - ext4: init quota for 'old.inode' in 'ext4_rename' (bsc#1207629). - ext4: initialize quota before expanding inode in setproject ioctl (bsc#1207633). - ext4: move where set the MAY_INLINE_DATA flag is set (bsc#1213011). - ext4: only update i_reserved_data_blocks on successful block allocation (bsc#1213019). - ext4: zero i_disksize when initializing the bootloader inode (bsc#1213013). - fs: dlm: cancel work sync othercon (git-fixes). - fs: dlm: filter user dlm messages for kernel locks (git-fixes). - fs: dlm: fix configfs memory leak (git-fixes). - fs: dlm: fix debugfs dump (git-fixes). - fs: dlm: fix memory leak when fenced (git-fixes). - fs: dlm: fix race between test_bit() and queue_work() (git-fixes). - fs: dlm: handle -EBUSY first in lock arg validation (git-fixes). - fs: fix guard_bio_eod to check for real EOD errors (bsc#1213042). - fs: prevent BUG_ON in submit_bh_wbc() (bsc#1212990). - fuse: revalidate: do not invalidate if interrupted (bsc#1213525). - igb: revert rtnl_lock() that causes deadlock (git-fixes). - include/trace/events/writeback.h: fix -Wstringop-truncation warnings (bsc#1213023). - inotify: Avoid reporting event with invalid wd (bsc#1213025). - jbd2: Fix statistics for the number of logged blocks (bsc#1212988). - jbd2: abort journal if free a async write error metadata buffer (bsc#1212989). - jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted (bsc#1202716). - jbd2: fix data races at struct journal_head (bsc#1173438). - jbd2: fix invalid descriptor block checksum (bsc#1212987). - jbd2: fix race when writing superblock (bsc#1212986). - jdb2: Do not refuse invalidation of already invalidated buffers (bsc#1213014). - kernel-docs: Add buildrequires on python3-base when using python3 The python3 binary is provided by python3-base. - kernel-docs: Use python3 together with python3-Sphinx (bsc#1212741). - lib/string: Add strscpy_pad() function (bsc#1213023). - mbcache: Fixup kABI of mb_cache_entry (bsc#1207653). - memcg: drop kmem.limit_in_bytes (bsc#1208788, bsc#1212905). - memcg: fix a crash in wb_workfn when a device disappears (bsc#1213023). - net: mana: Add support for vlan tagging (bsc#1212301). - ocfs2: check new file size on fallocate call (git-fixes). - ocfs2: fix use-after-free when unmounting read-only filesystem (git-fixes). - powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary (bsc#1150305 ltc#176097 git-fixes). - rpm/check-for-config-changes: ignore also PAHOLE_HAS_* We now also have options like CONFIG_PAHOLE_HAS_LANG_EXCLUDE. - s390/dasd: fix memleak in path handling error case (git-fixes bsc#1213221). - s390/perf: Change CPUM_CF return code in event init function (git-fixes bsc#1213344). - s390/perf: Return error when debug_register fails (git-fixes bsc#1212657). - s390: limit brk randomization to 32MB (git-fixes bsc#1213346). - uas: add no-uas quirk for Hiksemi usb_disk (git-fixes). - uas: ignore UAS for Thinkplus chips (git-fixes). - ubi: Fix failure attaching when vid_hdr offset equals to (sub)page size (bsc#1210584). - ubi: ensure that VID header offset + VID header size <= alloc, size (bsc#1210584). - udf: Avoid double brelse() in udf_rename() (bsc#1213032). - udf: Check consistency of Space Bitmap Descriptor (bsc#1210771). - udf: Define EFSCORRUPTED error code (bsc#1213038). - udf: Discard preallocation before extending file with a hole (bsc#1213036). - udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size (bsc#1213035). - udf: Do not bother merging very long extents (bsc#1213040). - udf: Do not update file length for failed writes to inline files (bsc#1213041). - udf: Drop unused arguments of udf_delete_aext() (bsc#1213033). - udf: Fix extending file within last block (bsc#1213037). - udf: Fix preallocation discarding at indirect extent boundary (bsc#1213034). - udf: Truncate added extents on failed expansion (bsc#1213039). - usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS (git-fixes). - usrmerge: Adjust module path in the kernel sources (bsc#1212835). - vfio-ccw: Do not call flush_workqueue while holding the spinlock (git-fixes bsc#1213218). - vfio-ccw: fence off transport mode (git-fixes bsc#1213215). - writeback: fix call of incorrect macro (bsc#1213024). - x86/bugs: Enable STIBP for JMP2RET (git-fixes). - x86/bugs: Remove apostrophe typo (git-fixes). - x86/bugs: Warn when 'ibrs' mitigation is selected on Enhanced IBRS parts (git-fixes). - x86/cpu: Load microcode during restore_processor_state() (git-fixes). - x86/delay: Fix the wrong asm constraint in delay_loop() (git-fixes). - x86/speculation/mmio: Print SMT warning (git-fixes). - x86: Fix return value of __setup handlers (git-fixes).

Exploit probability Not scored
Published July 27, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Real Time 12 SP5 kernel-rt
SUSE:Linux Enterprise Real Time 12 SP5 kernel-rt_debug
SUSE:Linux Enterprise Real Time 12 SP5 kernel-source-rt
SUSE:Linux Enterprise Real Time 12 SP5 kernel-syms-rt

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2023:3006-1

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-20593: Fixed a ZenBleed issue in 'Zen 2' CPUs that could allow an attacker to potentially access sensitive information (bsc#1213286). - CVE-2023-2985: Fixed an use-after-free vulnerability in hfsplus_put_super in fs/hfsplus/super.c that could allow a local user to cause a denial of service (bsc#1211867). - CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213059). The following non-security bugs were fixed: - Get module prefix from kmod (bsc#1212835). - USB: add NO_LPM quirk for Realforce 87U Keyboard (git-fixes). - USB: core: add quirk for Alcor Link AK9563 smartcard reader (git-fixes). - USB: core: hub: Disable autosuspend for Cypress CY7C65632 (git-fixes). - USB: hcd-pci: Fully suspend across freeze/thaw cycle (git-fixes). - USB: hub: Add delay for SuperSpeed hub resume to let links transit to U0 (git-fixes). - USB: serial: option: add Fibocom FM160 0x0111 composition (git-fixes). - USB: serial: option: add Quectel EM05-G (GR) modem (git-fixes). - USB: serial: option: add Quectel EM05-G (RS) modem (git-fixes). - USB: serial: option: add Sierra Wireless EM9191 (git-fixes). - USB: serial: option: add u-blox LARA-R6 00B modem (git-fixes). - blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration (bsc#1213022). - btrfs: fix resolving backrefs for inline extent followed by prealloc (bsc#1213133). - dlm: Delete an unnecessary variable initialisation in dlm_ls_start() (git-fixes). - dlm: NULL check before kmem_cache_destroy is not needed (git-fixes). - dlm: fix invalid cluster name warning (git-fixes). - dlm: fix missing idr_destroy for recover_idr (git-fixes). - dlm: fix missing lkb refcount handling (git-fixes). - dlm: fix plock invalid read (git-fixes). - dlm: fix possible call to kfree() for non-initialized pointer (git-fixes). - ext4: Fix reusing stale buffer heads from last failed mounting (bsc#1213020). - ext4: add inode table check in __ext4_get_inode_loc to aovid possible infinite loop (bsc#1207617). - ext4: avoid BUG_ON when creating xattrs (bsc#1205496). - ext4: avoid unaccounted block allocation when expanding inode (bsc#1207634). - ext4: bail out of ext4_xattr_ibody_get() fails for any reason (bsc#1213018). - ext4: fail ext4_iget if special inode unallocated (bsc#1213010). - ext4: fix RENAME_WHITEOUT handling for inline directories (bsc#1210766). - ext4: fix WARNING in ext4_update_inline_data (bsc#1213012). - ext4: fix bug_on in __es_tree_search caused by bad boot loader inode (bsc#1207620). - ext4: fix cgroup writeback accounting with fs-layer encryption (bsc#1210765). - ext4: fix deadlock due to mbcache entry corruption (bsc#1207653). - ext4: fix error code return to user-space in ext4_get_branch() (bsc#1207630). - ext4: fix i_disksize exceeding i_size problem in paritally written case (bsc#1213015). - ext4: fix to check return value of freeze_bdev() in ext4_shutdown() (bsc#1213021). - ext4: improve error recovery code paths in __ext4_remount() (bsc#1213017). - ext4: init quota for 'old.inode' in 'ext4_rename' (bsc#1207629). - ext4: initialize quota before expanding inode in setproject ioctl (bsc#1207633). - ext4: move where set the MAY_INLINE_DATA flag is set (bsc#1213011). - ext4: only update i_reserved_data_blocks on successful block allocation (bsc#1213019). - ext4: zero i_disksize when initializing the bootloader inode (bsc#1213013). - fs: dlm: cancel work sync othercon (git-fixes). - fs: dlm: filter user dlm messages for kernel locks (git-fixes). - fs: dlm: fix configfs memory leak (git-fixes). - fs: dlm: fix debugfs dump (git-fixes). - fs: dlm: fix memory leak when fenced (git-fixes). - fs: dlm: fix race between test_bit() and queue_work() (git-fixes). - fs: dlm: handle -EBUSY first in lock arg validation (git-fixes). - fs: fix guard_bio_eod to check for real EOD errors (bsc#1213042). - fs: prevent BUG_ON in submit_bh_wbc() (bsc#1212990). - fuse: revalidate: do not invalidate if interrupted (bsc#1213525). - igb: revert rtnl_lock() that causes deadlock (git-fixes). - include/trace/events/writeback.h: fix -Wstringop-truncation warnings (bsc#1213023). - inotify: Avoid reporting event with invalid wd (bsc#1213025). - jbd2: Fix statistics for the number of logged blocks (bsc#1212988). - jbd2: abort journal if free a async write error metadata buffer (bsc#1212989). - jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted (bsc#1202716). - jbd2: fix data races at struct journal_head (bsc#1173438). - jbd2: fix invalid descriptor block checksum (bsc#1212987). - jbd2: fix race when writing superblock (bsc#1212986). - jdb2: Do not refuse invalidation of already invalidated buffers (bsc#1213014). - kernel-docs: Add buildrequires on python3-base when using python3 The python3 binary is provided by python3-base. - kernel-docs: Use python3 together with python3-Sphinx (bsc#1212741). - lib/string: Add strscpy_pad() function (bsc#1213023). - mbcache: Fixup kABI of mb_cache_entry (bsc#1207653). - memcg: drop kmem.limit_in_bytes (bsc#1208788, bsc#1212905). - memcg: fix a crash in wb_workfn when a device disappears (bsc#1213023). - net: mana: Add support for vlan tagging (bsc#1212301). - ocfs2: check new file size on fallocate call (git-fixes). - ocfs2: fix use-after-free when unmounting read-only filesystem (git-fixes). - powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary (bsc#1150305 ltc#176097 git-fixes). - rpm/check-for-config-changes: ignore also PAHOLE_HAS_* We now also have options like CONFIG_PAHOLE_HAS_LANG_EXCLUDE. - s390/dasd: fix memleak in path handling error case (git-fixes bsc#1213221). - s390/perf: Change CPUM_CF return code in event init function (git-fixes bsc#1213344). - s390/perf: Return error when debug_register fails (git-fixes bsc#1212657). - s390: limit brk randomization to 32MB (git-fixes bsc#1213346). - uas: add no-uas quirk for Hiksemi usb_disk (git-fixes). - uas: ignore UAS for Thinkplus chips (git-fixes). - ubi: Fix failure attaching when vid_hdr offset equals to (sub)page size (bsc#1210584). - ubi: ensure that VID header offset + VID header size <= alloc, size (bsc#1210584). - udf: Avoid double brelse() in udf_rename() (bsc#1213032). - udf: Check consistency of Space Bitmap Descriptor (bsc#1210771). - udf: Define EFSCORRUPTED error code (bsc#1213038). - udf: Discard preallocation before extending file with a hole (bsc#1213036). - udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size (bsc#1213035). - udf: Do not bother merging very long extents (bsc#1213040). - udf: Do not update file length for failed writes to inline files (bsc#1213041). - udf: Drop unused arguments of udf_delete_aext() (bsc#1213033). - udf: Fix extending file within last block (bsc#1213037). - udf: Fix preallocation discarding at indirect extent boundary (bsc#1213034). - udf: Truncate added extents on failed expansion (bsc#1213039). - usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS (git-fixes). - usrmerge: Adjust module path in the kernel sources (bsc#1212835). - vfio-ccw: Do not call flush_workqueue while holding the spinlock (git-fixes bsc#1213218). - vfio-ccw: fence off transport mode (git-fixes bsc#1213215). - writeback: fix call of incorrect macro (bsc#1213024). - x86/bugs: Enable STIBP for JMP2RET (git-fixes). - x86/bugs: Remove apostrophe typo (git-fixes). - x86/bugs: Warn when 'ibrs' mitigation is selected on Enhanced IBRS parts (git-fixes). - x86/cpu: Load microcode during restore_processor_state() (git-fixes). - x86/delay: Fix the wrong asm constraint in delay_loop() (git-fixes). - x86/speculation/mmio: Print SMT warning (git-fixes). - x86: Fix return value of __setup handlers (git-fixes).

View original source

05 / REFERENCES

Further evidence