In the Linux kernel, the following vulnerability has been resolved: hfs: validate record offset in hfsplus_bmap_alloc hfsplus_bmap_alloc can trigger a crash if a record offset or length is larger than node_size [ 15.264282] BUG: KASAN: slab-out-of-bounds in hfsplus_bmap_alloc+0x887/0x8b0 [ 15.265192] Read of size 8 at addr ffff8881085ca188 by task test/183 [ 15.265949] [ 15.266163] CPU: 0 UID: 0 PID: 183 Comm: test Not tainted 6.17.0-rc2-gc17b750b3ad9 #14 PREEMPT(voluntary) [ 15.266165] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.266167] Call Trace: [ 15.266168] <TASK> [ 15.266169] dump_stack_lvl+0x53/0x70 [ 15.266173] print_report+0xd0/0x660 [ 15.266181] kasan_report+0xce/0x100 [ 15.266185] hfsplus_bmap_alloc+0x887/0x8b0 [ 15.266208] hfs_btree_inc_height.isra.0+0xd5/0x7c0 [ 15.266217] hfsplus_brec_insert+0x870/0xb00 [ 15.266222] __hfsplus_ext_write_extent+0x428/0x570 [ 15.266225] __hfsplus_ext_cache_extent+0x5e/0x910 [ 15.266227] hfsplus_ext_read_extent+0x1b2/0x200 [ 15.266233] hfsplus_file_extend+0x5a7/0x1000 [ 15.266237] hfsplus_get_block+0x12b/0x8c0 [ 15.266238] __block_write_begin_int+0x36b/0x12c0 [ 15.266251] block_write_begin+0x77/0x110 [ 15.266252] cont_write_begin+0x428/0x720 [ 15.266259] hfsplus_write_begin+0x51/0x100 [ 15.266262] cont_write_begin+0x272/0x720 [ 15.266270] hfsplus_write_begin+0x51/0x100 [ 15.266274] generic_perform_write+0x321/0x750 [ 15.266285] generic_file_write_iter+0xc3/0x310 [ 15.266289] __kernel_write_iter+0x2fd/0x800 [ 15.266296] dump_user_range+0x2ea/0x910 [ 15.266301] elf_core_dump+0x2a94/0x2ed0 [ 15.266320] vfs_coredump+0x1d85/0x45e0 [ 15.266349] get_signal+0x12e3/0x1990 [ 15.266357] arch_do_signal_or_restart+0x89/0x580 [ 15.266362] irqentry_exit_to_user_mode+0xab/0x110 [ 15.266364] asm_exc_page_fault+0x26/0x30 [ 15.266366] RIP: 0033:0x41bd35 [ 15.266367] Code: bc d1 f3 0f 7f 27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 49 83 c0 0f 49 29 d0 48 8d 7c 17 31 e9 9f 0b 00 00 66 0f ef c0 <f3> 0f 6f 0e f3 0f 6f 56 10 66 0f 74 c1 66 0f d7 d0 49 83 f8f [ 15.266369] RSP: 002b:00007ffc9e62d078 EFLAGS: 00010283 [ 15.266371] RAX: 00007ffc9e62d100 RBX: 0000000000000000 RCX: 0000000000000000 [ 15.266372] RDX: 00000000000000e0 RSI: 0000000000000000 RDI: 00007ffc9e62d100 [ 15.266373] RBP: 0000400000000040 R08: 00000000000000e0 R09: 0000000000000000 [ 15.266374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 15.266375] R13: 0000000000000000 R14: 0000000000000000 R15: 0000400000000000 [ 15.266376] </TASK> When calling hfsplus_bmap_alloc to allocate a free node, this function first retrieves the bitmap from header node and map node using node->page together with the offset and length from hfs_brec_lenoff ``` len = hfs_brec_lenoff(node, 2, &off16); off = off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); data = kmap_local_page(*pagep); ``` However, if the retrieved offset or length is invalid(i.e. exceeds node_size), the code may end up accessing pages outside the allocated range for this node. This patch adds proper validation of both offset and length before use, preventing out-of-bounds page access. Move is_bnode_offset_valid and check_and_correct_requested_length to hfsplus_fs.h, as they may be required by other functions.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0316-1 advisory.

    The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues

    The following security issues were fixed:

    - CVE-2022-49604,CVE-2025-40074: ip: Fix data-races around sysctl_ip_fwd_use_pmtu (bsc#1238414     bsc#1252794).
    - CVE-2022-50527: drm/amdgpu: Fix size validation for non-exclusive domains (v4) (bsc#1251738).
    - CVE-2022-50625: serial: amba-pl011: avoid SBSA UART accessing DMACR register (bsc#1254559).
    - CVE-2022-50630: mm: hugetlb: fix UAF in hugetlb_handle_userfault (bsc#1254785).
    - CVE-2022-50656: nfc: pn533: Clear nfc_target before being used (bsc#1254745).
    - CVE-2022-50678: wifi: brcmfmac: fix invalid address access when enabling SCAN log level (bsc#1254902).
    - CVE-2022-50700: wifi: ath10k: Delay the unmapping of the buffer (bsc#1255576).
    - CVE-2023-53454: HID: multitouch: Correct devm device reference for hidinput input_dev name     (bsc#1250759).
    - CVE-2023-53718: ring-buffer: Do not swap cpu_buffer during resize process (bsc#1252564).
    - CVE-2023-53748: media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup     (bsc#1254907).
    - CVE-2023-53765: dm cache: free background tracker's queued work in btracker_destroy (bsc#1254912).
    - CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254751).
    - CVE-2023-53788: ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() (bsc#1254917).
    - CVE-2023-53819: amdgpu: validate offset_in_bo of drm_amdgpu_gem_va (bsc#1254712).
    - CVE-2023-53850: iavf: use internal state to free traffic IRQs (bsc#1254677).
    - CVE-2023-54120: Bluetooth: Fix race condition in hidp_session_thread (bsc#1256133).
    - CVE-2023-54214: Bluetooth: L2CAP: Fix potential user-after-free (bsc#1255954).
    - CVE-2023-54236: net/net_failover: fix txq exceeding warning (bsc#1255922).
    - CVE-2023-54286: wifi: iwlwifi: dvm: Fix memcpy: detected field-spanning write backtrace (bsc#1255803).
    - CVE-2023-54300: wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx (bsc#1255790).
    - CVE-2025-38085: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (bsc#1245431 bsc#1245499).
    - CVE-2025-38336: ata: pata_via: Force PIO for ATAPI devices on VT6415/VT6330 (bsc#1246370).
    - CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd (bsc#1249256).
    - CVE-2025-40006: mm/hugetlb: fix folio is still mapped when deleted (bsc#1252342).
    - CVE-2025-40035: Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak     (bsc#1252866).
    - CVE-2025-40053: net: dlink: handle copy_thresh allocation failure (bsc#1252808).
    - CVE-2025-40064: smc: Fix use-after-free in __pnet_find_base_ndev() (bsc#1252845).
    - CVE-2025-40075: tcp_metrics: use dst_dev_net_rcu() (bsc#1252795).
    - CVE-2025-40081: perf: arm_spe: Prevent overflow in PERF_IDX2OFF() (bsc#1252776).
    - CVE-2025-40110: drm/vmwgfx: Fix a null-ptr access in the cursor snooper (bsc#1253275).
    - CVE-2025-40123: bpf: Enforce expected_attach_type for tailcall compatibility (bsc#1253365).
    - CVE-2025-40135: ipv6: use RCU in ip6_xmit() (bsc#1253342).
    - CVE-2025-40139: smc: Use __sk_dst_get() and dst_dev_rcu() in in smc_clc_prfx_set() (bsc#1253409).
    - CVE-2025-40149: tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock() (bsc#1253355).
    - CVE-2025-40153: mm: hugetlb: avoid soft lockup when mprotect to large memory area (bsc#1253408).
    - CVE-2025-40158: ipv6: use RCU in ip6_output() (bsc#1253402).
    - CVE-2025-40160: xen/events: Cleanup find_virq() return codes (bsc#1253400).
    - CVE-2025-40164: usbnet: Fix using smp_processor_id() in preemptible code warnings (bsc#1253407).
    - CVE-2025-40167: ext4: detect invalid INLINE_DATA + EXTENTS flag combination (bsc#1253458).
    - CVE-2025-40168: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (bsc#1253427).
    - CVE-2025-40170: net: use dst_dev_rcu() in sk_setup_caps() (bsc#1253413).
    - CVE-2025-40178: pid: Add a judgment for ns null in pid_nr_ns (bsc#1253463).
    - CVE-2025-40198: ext4: avoid potential buffer over-read in parse_apply_sb_mount_options() (bsc#1253453).
    - CVE-2025-40200: Squashfs: reject negative file sizes in squashfs_read_inode() (bsc#1253448).
    - CVE-2025-40215: kABI: xfrm: delete x->tunnel as we delete x (bsc#1254959).
    - CVE-2025-40219: PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV (bsc#1254518).
    - CVE-2025-40233: ocfs2: clear extent cache after moving/defragmenting extents (bsc#1254813).
    - CVE-2025-40240: sctp: avoid NULL dereference when chunk data buffer is missing (bsc#1254869).
    - CVE-2025-40244: hfsplus: fix KMSAN uninit-value issue in __hfsplus_ext_cache_extent() (bsc#1255033).
    - CVE-2025-40248: vsock: Ignore signal/timeout on connect() if already established (bsc#1254864).
    - CVE-2025-40252: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()     (bsc#1254849).
    - CVE-2025-40269: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer (bsc#1255035).
    - CVE-2025-40275: ALSA: usb-audio: Fix NULL pointer dereference in snd_usb_mixer_controls_badd     (bsc#1254829).
    - CVE-2025-40278: net: sched: act_ife: initialize struct tc_ife to fix KMSAN kernel-infoleak     (bsc#1254825).
    - CVE-2025-40279: net: sched: act_connmark: initialize struct tc_ife to fix kernel leak (bsc#1254846).
    - CVE-2025-40283: Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF (bsc#1254858).
    - CVE-2025-40304: fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds (bsc#1255034).
    - CVE-2025-40308: Bluetooth: bcsp: receive data only if registered (bsc#1255064).
    - CVE-2025-40321: wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode     (bsc#1254795).
    - CVE-2025-40322: fbdev: bitblit: bound-check glyph index in bit_putcs* (bsc#1255092).
    - CVE-2025-40331: sctp: Prevent TOCTOU out-of-bounds write (bsc#1254615).
    - CVE-2025-40337: net: stmmac: Correctly handle Rx checksum offload errors (bsc#1255081).
    - CVE-2025-40349: hfs: validate record offset in hfsplus_bmap_alloc (bsc#1255280).
    - CVE-2025-40351: hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat() (bsc#1255281).
    - CVE-2025-68206: netfilter: nft_ct: add seqadj extension for natted connections (bsc#1255142).
    - CVE-2025-68340: team: Move team device type change at the end of team_port_add (bsc#1255507).

    The following non security issues were fixed:

    - HID: multitouch: Add NULL check in mt_input_configured (bsc#1250759).
    - Squashfs: add additional inode sanity checking (bsc#1253448).
    - drm/amdgpu: Fix potential NULL dereference (bsc#1251238).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - hfs: validate record offset in hfsplus_bmap_alloc hfsplus_bmap_alloc can trigger a crash if a record     offset or length is larger than node_size [ 15.264282] BUG: KASAN: slab-out-of-bounds in     hfsplus_bmap_alloc+0x887/0x8b0 [ 15.265192] Read of size 8 at addr ffff8881085ca188 by task test/183 [     15.265949] [ 15.266163] CPU: 0 UID: 0 PID: 183 Comm: test Not tainted 6.17.0-rc2-gc17b750b3ad9 #14     PREEMPT(voluntary) [ 15.266165] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS     1.16.3-debian-1.16.3-2 04/01/2014 [ 15.266167] Call Trace: [ 15.266168] <TASK> [ 15.266169]     dump_stack_lvl+0x53/0x70 [ 15.266173] print_report+0xd0/0x660 [ 15.266181] kasan_report+0xce/0x100 [     15.266185] hfsplus_bmap_alloc+0x887/0x8b0 [ 15.266208] hfs_btree_inc_height.isra.0+0xd5/0x7c0 [ 15.266217]     hfsplus_brec_insert+0x870/0xb00 [ 15.266222] __hfsplus_ext_write_extent+0x428/0x570 [ 15.266225]
    __hfsplus_ext_cache_extent+0x5e/0x910 [ 15.266227] hfsplus_ext_read_extent+0x1b2/0x200 [ 15.266233]     hfsplus_file_extend+0x5a7/0x1000 [ 15.266237] hfsplus_get_block+0x12b/0x8c0 [ 15.266238]
    __block_write_begin_int+0x36b/0x12c0 [ 15.266251] block_write_begin+0x77/0x110 [ 15.266252]     cont_write_begin+0x428/0x720 [ 15.266259] hfsplus_write_begin+0x51/0x100 [ 15.266262]     cont_write_begin+0x272/0x720 [ 15.266270] hfsplus_write_begin+0x51/0x100 [ 15.266274]     generic_perform_write+0x321/0x750 [ 15.266285] generic_file_write_iter+0xc3/0x310 [ 15.266289]
    __kernel_write_iter+0x2fd/0x800 [ 15.266296] dump_user_range+0x2ea/0x910 [ 15.266301]     elf_core_dump+0x2a94/0x2ed0 [ 15.266320] vfs_coredump+0x1d85/0x45e0 [ 15.266349] get_signal+0x12e3/0x1990     [ 15.266357] arch_do_signal_or_restart+0x89/0x580 [ 15.266362] irqentry_exit_to_user_mode+0xab/0x110 [     15.266364] asm_exc_page_fault+0x26/0x30 [ 15.266366] RIP: 0033:0x41bd35 [ 15.266367] Code: bc d1 f3 0f 7f     27 f3 0f 7f 6f 10 f3 0f 7f 77 20 f3 0f 7f 7f 30 49 83 c0 0f 49 29 d0 48 8d 7c 17 31 e9 9f 0b 00 00 66 0f     ef c0 <f3> 0f 6f 0e f3 0f 6f 56 10 66 0f 74 c1 66 0f d7 d0 49 83 f8f [ 15.266369] RSP:
    002b:00007ffc9e62d078 EFLAGS: 00010283 [ 15.266371] RAX: 00007ffc9e62d100 RBX: 0000000000000000 RCX:
    0000000000000000 [ 15.266372] RDX: 00000000000000e0 RSI: 0000000000000000 RDI: 00007ffc9e62d100 [     15.266373] RBP: 0000400000000040 R08: 00000000000000e0 R09: 0000000000000000 [ 15.266374] R10:
    0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 15.266375] R13: 0000000000000000 R14:
    0000000000000000 R15: 0000400000000000 [ 15.266376] </TASK> When calling hfsplus_bmap_alloc to allocate a     free node, this function first retrieves the bitmap from header node and map node using node->page     together with the offset and length from hfs_brec_lenoff ``` len = hfs_brec_lenoff(node, 2, &off16); off =     off16; off += node->page_offset; pagep = node->page + (off >> PAGE_SHIFT); data = kmap_local_page(*pagep);
    ``` However, if the retrieved offset or length is invalid(i.e. exceeds node_size), the code may end up     accessing pages outside the allocated range for this node. This patch adds proper validation of both     offset and length before use, preventing out-of-bounds page access. Move is_bnode_offset_valid and     check_and_correct_requested_length to hfsplus_fs.h, as they may be required by other functions.
    (CVE-2025-40349)

Note that Nessus relies on the presence of the package as reported by the vendor.

An update of the linux package has been released.

ID	Name	Product	Family	Severity
297194	SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2026:0315-1)	Nessus	SuSE Local Security Checks	high
297090	SUSE SLES12 Security Update : kernel (SUSE-SU-2026:0316-1)	Nessus	SuSE Local Security Checks	high
296680	SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2026:0293-1)	Nessus	SuSE Local Security Checks	high
296676	SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0281-1)	Nessus	SuSE Local Security Checks	high
296481	SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0278-1)	Nessus	SuSE Local Security Checks	high
279022	Linux Distros Unpatched Vulnerability : CVE-2025-40349	Nessus	Misc.	high
275495	Photon OS 5.0: Linux PHSA-2025-5.0-0677	Nessus	PhotonOS Local Security Checks	critical

Detections

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CVE-2025-40349

medium

Tenable Plugins

high

high

high

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high

high

critical